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Mathematics Questions and Answers August 14, 2022

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Find the odds for rolling a 6-sided die and getting a 3. _____ to _____ Find the odds against rolling a 6-sided die and getting a 3. _____ to _____ Simplify your answers

1. Develop a process map about the prescription lling process for HMD's pharmacy, in which you specify the key problems that the HMO's pharmacy might be experiencing. Next, use the supplier, input, process steps, output. and customer (SIPOC} model to analyze the HMO pharmacy's business process. 2. Analyze the process map and SIPDC model to
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The following sum is a right Riemann sum for the definite integral: find what f(x) is and the limit of these Riemann sums as n --> INF. (1 point) The following sum is a right Riemann sum for the definite integral whereb = 7 ::: and f (x) = 5!! The limit of these Riemann sums as n > on is 14 2 7 7) -n b f(x)dx
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Hello these are practice exams for Stats 302 and i dont understand how to find the t-value or the P-value PLEASE Help i cant find explanations anywhere [Use the following information to answer the next 3 questions.] American football is a contact sport that can expose players to repeated head impacts. Twenty-two players of average age 12 years old
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Can someone help me understand how to finish this? A newspaper reports that the average expenditure on Valentine's Day is $100.89. Do male and female consumers differ in the amounts they spend? The average expenditure in a sample survey of40 maleconsumers was $131.67, and the average expenditure in a sample survey of30 femaleconsumers was $68.64.

Sridar's Sales Services, Inc. is in the business of offering training to the sales forces of large companies on a contract basis.They have had good results in increasing the sales levels of customers' sales personnel.SSS Inc. is working with a potential customer who has collected data of individual sales performance in 4week periods over a long

Give the numerical value of the parameterp in the following binomial distribution scenario. A softball pitcher has a0.721 probability of throwing a strike for each pitch and a0.279 probability of throwing a ball. If the softball pitcher throws19 pitches, we want to know the probability that more than15 of them are strikes. Consider strikes as

An insurance agent makes several sales calls every week. She believes that the success or failure of a sales call is random and is independent of other sales calls she makes that week. The probability of selling an insurance policy at a sales call is equal to 0.2. (a) If she makes ve sales calls this week, what is the expected number and the

The price of a condominium is $109,980.00 The cost of the condominium is financed with a 30-year fixed-rate mortgage at 8.5%. What is the total interest amount at 30 years

herramienta de las Cinco Porqus para el Anlisis de la Causa Raz

The following table shows age-specific incidence rates (per 1,000,000 per year) of kidney failure among White and African-American men in the United States. Age White Af. Am. 22-44 14.8 136.0 45-64 78.3 532.9 65-74 250.4 1,028.1 75+ 548.8 1,469.3 Overall 294.6 956.8 A. What is the overall incidence rate ratio comparing Whites to African-Americans?

A town has people with 3 nationalities A, B and C. It was found that 65% of the people in the town are of A, 20% of B and 15% of C. The records shows that the proportion of people committed a crime are 12%, 5% and 3% respectively for nationality A, B and C. If a person is selected randomly from the town, then:If the person selected randomly from

Complete the proof of the identity by choosing the Rule that justifies each step. (1- cos x) cotx = sinx cosx To see a detailed description of a Rule, select the More Information Button to the right of the Rule. Statement Rule (1 - cos'x) cotx Rule X Algebra = sin x cotx Rule ? Reciprocal COSX Quotient 12 = sin x Rule ? six Pythagorean ? = sinx
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A headline states "Heartburn predicts a hairy baby". What type of claim is this? Group of answer choices? Causal Frequency Associational

Use part | of the Fundamental Theorem of Calculus to find the derivative of sin(z) h(z) = /_2 (cos(t?) + t)dt S
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Tungkulin ng wika na tumutukoy sa pagtugon sa pangangailangan sa/ng paligid Select one: a.Personal b.Interaksyunal c.Instrumental d.Regulatory

Describe the difference between verifying an identity and solving an equation.

The following data represents the GPA of a sample of 15 students enrolled in a math class. Round answers to at least 2 decimal places. For Excel quartiles use the =QUARTILE.EXC function. (You don't have to use Excel). GPA 2.76 3.18 2.82 2.75 3.5 1.98 2.03 2.02 2.03 2.94 2.14 3.41 2.16 3.29 3.5 Find the median

Please see photo of 65 servings has a mean of 19-89 of Sugar. assuming o = 2.39/ serving, test whether the true mean sugar content of all boxes off Raisin Bran Crunch cereal is more than 189 of sugar per serving ( significance level of a= 0-05 ) a . ) what are the null s alternative hypothesis ? 6 . ) Find an appropriate test statistic of
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Of the 96 participants in a drug trial who were given a new experimental treatment forarthritis, 53 showed improvement. Of the 92 participants given aplacebo,51 showed improvement. Construct atwo-way table for thesedata, and then use a 0.05 significance level to test the claim that improvement is independent of whether the participant was given

A manufacturing process produces auto tires with miles at replacement recorded in DATA. At what mileage should the warranty be set at for warranty replacement of 0.5% of the tires?

Aside from central tendency (average) and dispersion (spread), in what ways can large amounts of data be summarized? What are the drawbacks of not using averages? Are there better ways to get a true portrayal of social reality

Researchers built a model to explore the relationship between a possum's total body length (in cm) and their skull width (in mm). They collected data from 104 possums in Australia and New Guinea. Rguroo computed the equation of the least-squares regression line to be: skull width=23.771+0.38022*body length According to this equation, the predictor

What is the equation of circle of radius 5 and center at origin? a) x^2+y^2=5 b) x^2+y^4=1 c) x^2+y^8=25 d) x^2+y^2=25

1. La duracin de los focos producidos por un fabricante tiene una media de 3,400 horas y una desviacin tpica de 250 horas. La poblacin sigue una distribucin normal, suponiendo que se compran 9 focos, considerados como una muestra aleatoria de la produccin, cul es la probabilidad de que el tiempo medio de su duracin sea de menos de 1,000 horas?

please help Question Consider the following venn diagram with universal set, U, and sets A and B. The numbers in the diagram give PROBABILITIES. U A B 0.19 0.08 0.33 0.4 Find each of the following: ROUND TO THREE DECIMAL PLACES! P(A B) P(B | A)
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The questions are shown in the picture 2. A researcher obtained the following lin-log model from the 1992 family expenditure survey of Canada. F = -18.2+9.45 In X where F = family expenditure on food ($ 000), and X = family budget ($ 000). And, R-squared = 0.59, N = 8054, F = $13.589 thousand, X = $33.132 (thousand). a. First interpret the
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Americans often think of themselves as quite diverse in their political opinions, within the continuum of liberal to conservative. Let's use data from the 2006 GSS to investigate the diversity of political views. The percentage distribution shown displays respondents' self-rating of their political position. Political Views Percentage Extremely

Determine the pmf and mgf 1. Two litters of Labrador Retriever puppies have been born. Here are the litters and the colors of the puppies in each litter: Litter 1: 1 chocolate, 1 black, 2 yellows Litter 2: 2 blacks, 2 yellows I will randomly select 2 puppies from each litter. The order of selection is not important. Let Y denote the total number
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Please answer the following question: Triangular Distribution and Beta Distribution Processing time on a machine is at worst 11 minutes, at best 5 minutes, and usually around 7 minutes. a. Fit a Beta Distribution to this data based on the notes. Generate 200 random numbers from the resulting distribution. Build a histogram of the data. b. Fit a
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1. The manager of an internet retailing operation selling a single product has found that people who visit the web site buy the product 26% of the time, and that the behavior of customers seems to be independent. Assu me that exactly 8 potential customers Visit the site every day. Imagine that the manager is on an incentive plan that pays him 5300
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R script for the following: In an experiment of rolling 10 dice simultaneously. Use the binomial distribution to calculate the followings: The probability of getting six, seven, or eight 3's Please and thank you

In linear programming, what is an objective function? Group of answer choices The equation that represents the constraints in the problem The equation that represents the decision variables The equation that describes the goal to be maximized or minimized The equation that defines the feasible region

7) Jorge has his own business as a painter. The amounts he made in the last five months are 5 below. $2426 $2463 $1451 $2154 $1119 A) $1344 B) $1307 C) $975 D) $1012
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A town is comprised of 50 neighbourhoods. At random, 7 of these neighbourhoods are selected. Within each selected neighbourhood, every household is queried about the number of cars owned by household members. The resulting data are tabulated in the file CarData.csv linked below. Answers to parts (a), (b), (e), and (f) below are on the scale of
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Using appropriate research terminology, discuss at least one data analysis technique you would use to analyze the data collected using the data collection instruments described above and address your research

5.True or False. Justify your answer. c) If MSR and MSE are of the same order of magnitude, this would suggest that 10. #Answer: # d) When using simple regression analysis, if there is a strong correlation between the independent and dependent variable, then we can conclude that an increase in the value of the independent variable causes an

5.The North Carolina State Center for Health Statistics and Howard W. Odum Institute for Research in Social Science at the University of North Carolina at Chapel Hill make publicly available birth and infant death data for all children born in the state of North Carolina. This comprehensive data set for the births in 2001 contains 120,300 records.

Can you help me with a histogram in Excel? 1. Prepare the data: You should have two columns. The first column should list the ethnicities (White, Hispanic or Latino, Black or African American, Asian, Other). The second column should list the number of students from each ethnicity. 2. Select the data: Click and drag to select all the cells that

Consumer Reports tested 166 different point-and-shoot digital cameras. Based upon factors such as the number of megapixels, weight (oz), image quality, and ease of use, they developed an overall score for each camera tested. The overall score ranges from 0 to 100, with higher scores indicating better overall test results. Selecting a camera with
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A fast food restaurant wants to know the average time customers have to wait for their food to be prepared. The time customers wait is known to be Normally distributed with mean and standard deviation s = 3 minutes. The restaurant took a simple random sample of 20 customers and calculated a 95% confidence interval to be 15.9 to 19.1 minutes.

Which method of disposition did early Scandinavians prefer for over 2,000 years? Group of answer choices Burial Cremation Sky Burial A and B

A jar contains 4 red jolly ranchers, 5 red lollipops, 6 grape jolly ranchers and 3 grape lollipops. If you select a piece of candy at random , what is the probability that the candy is grape or a jolly rancher ? A.)1/2 B.)13/18 C.)11/18 D.)2/5

A population distribution has a Normal shape with mean = 100 and standard deviation s = 20. Consider two sampling distributions from this population distribution. Sampling distribution #1 is created from the sample means from all possible random samples of size n=16; sampling distribution #2 is created from the sample means from all possible

I want to plot a bar graph in R using 2 variables. One is - Species for example (abc) the other variable is numerical which is petal length of those species. the color of the bar graph should be filled with species .

SAQ1 (20 marks) 20% Based on a research topic of your choice, you are required to collect a small sample of data (about 20 to 30) that you have identified as your target respondents using questionnaire surveys. Once it is completed, you are required to conduct a data screening analysis as well as a descriptive analysis about the respondents'

1. Consider the following graph: -5 -5 Find the following. [5K] . lim f(x) x--3- b. lim f(x) X - -3+ c. lim f(x) x - -2 d. lim f(x) x-+4 e. f(4) f. Use the graph to estimate the average rate of change, over the interval [2, 4] [2K]g. Use the graph to estimate the instantaneous rate of change at x =-4. [2A]
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The data in the table below lists country code and the order to remittance (OTR) time for hardware/software installations for the last 76 installations (from first to last). OTR is the time it takes from an order being placed until the system is installed and payment is received (remittance). Because this company does business internationally, it

26 45 27 50 40 52 12 28 48 52 14 20 32 9 36 10 36 51 42 1 30 21 40 37 13 35 57 47 42 53 take this numebers and put them into 9 intervals of 7 numbers each ranging from 0 to 63

Shamrock Oil owns a parcel of land that has the potential to be an underground oil field. It will cost $600,000 to drill for oil. If oil does exist on the land, Shamrock will realize a payoff of $5,500,000 (not including drilling costs). With current information, Shamrock estimates that there is a 0.2 probability that oil is present on the site.

Jasmine Robbins wants to open an independent coffee shop in a town that already has 9 coffee shops: 3 Mocha Moose, 2 Elkhorn Coffee, and 4 Morning JoJo. She is trying to determine the probability of choices that potential customers may make. Here is one of her questions: If a person selects one shop at random to purchase coffee, find the

According to the American Freshman, the number of hours that college freshmen spend studying each week is normally distributed with a mean of 7 hours and a standard deviation of 5.3 hours. Use the 68-95-99.7 Rule to find the percentage of college freshmen who study6. Between 7 and 12.3 hours each week. 7. More than 17.6 hours each week. 8. IQ
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If you flip five coins what is the probability that you will get at least three heads?

Written Assignment # 2 1. Family Income$97,000.00 Marital StatusSingle Family SizeThree (3) AgeForty five (45) 2. select 4 representative subjects, include additional appropriate subjects to bring the number of subjects in your analysis up to 4. List the subjects being used in the analysis by Id number here. 1. 2. 3. 4. Etc. 3.Provide a Histogram,

Suppose the price of a vacant lot in Thousand Oaks follows a continuous uniform distribution between $100,000 and $150,000.Use this information to answer the following questions regarding the probability of the selling price. 1)Calculate E[x]. 2)Calculate Var[x]. 3)Calculate St. Dev.[x].

The prerequisites for this course are successful completion of MTH 161 or MTH 167 (or equivalent) or ___________________. Note: It's important to have a current, strong algebra understanding

Hello, I am trying to understand what approach to take to understand that a regression formula was developed to forecast attendees at a water park.The dependent variable is the number of attendees and the forecasted temperature is the independent variable.The developed formula was y = 126 + 17x.If the forecast high temperature is 85 what is the

1)A small beverage company makes two brands of sports drink in the same storage tank, the "Original" and the "Reduced Sugar" version. The Reduced Sugar version has 50% of the amount of sugar of the Original version. A constant volume of 100 gallons is maintained in the tank while switching between products.For the Original version the tank has a

In a study to determine the average weight of a house cat in your city, which of the following would be thebest sample? Several randomly selected cats in each of several neighborhoods. All of the cats in your neighborhood. Every tenth cat that a veterinarian sees in two months time. All of the cats that a veterinarian sees in one weeks time.

Please help me A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 15 22 19 9 16 18 19 10 20 22 18 19 13 20 24 19 Click here for the Excel Data File Find a 90 percent confidence interval for /, assuming that the sample is from a normal population. (Round your standard deviation answer to 4 decimal places and
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x=t(3t+1)^2, y=5/sqrt(2t+1), t=.25 How do I find the just the derivatives of x and y?

Question 1 : A researcher wishes to estimate the average annual expenditures per household on gasoline. There are no past studies on which to base an estimate of standard variation but it's known that the annual gasoline expenditures per household ranges between $300 and $3300. What sample size should be used in this in order to achieve an

Calculate the critical degrees of freedom and identify the critical t value for a single-sample t test in each of the following situations, using p=.05 for all scenarios. Then, state whether the null hypothesis would fail to be rejected or rejected: Two-tailed test, N = 14, t = 2.05 -What is the df? -What is the critical t ? -Reject or fail to

1.You roll a fair four-sided die twice, with sides numbered 1,2,3 & 4, shaking it well each time before rolling. Let A be the event that your rst role is strictly less than 3 and B be the event that your second role is strictly greater than 3. ThenP(AorB,) is closest or equal to: 2.A mortgage holding company has found that 0.07 of its mortgage

All the details are in the picture Question 19 of 42 1.0 Points Pete's Pharmacy operates a regional chain of 120 pharmacies. Each pharmacy's floor plan includes a greeting card department which is relatively isolated. The manager feels that the level of lighting in the greeting card department may affect sales of the greeting cards. Thus, the
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Solve the following A continuous random variable X that can assume values between x = 2 and x = 5 has a density function given by f(x) = 2(1 + x)/27. Find (a) P(X 0, y>0, elsewhere, find P(0 0, y>0, elsewhere, Find -(sty). r>0, y>0, f(x,y) = 10, elsewhere,From a box containing 4 black balls and 2 green balls, 3 balls are drawn in succession, each
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Hello! I'm having a problem setting up and solving this problem from my homework this week. I've already completed A and B of problem 5.2.10, I just need help with C. Thank you! *I have attached the screenshot of the problem from my homework. 5.2.10 The proportion of brown M&M's in a milk chocolate packet is approximately 14%(Madison,

Une population de scores a =80 Dans cette population, un score de X =86 Correspond Z=+2.00. Quelle est l'cart type de la population. 3 12 6 2

Question 1: Refer to the Real Estate data, which report information on the homes sold in the Goodyear, Arizona, area last year. Use statistical software to compute the mean and the standard deviation of the selling prices. Assume this to be the population. Select a sample of 15 homes. Compute the mean and the standard deviation of the sample.

which one? (b) Construct a comparative bar chart for these data. Relative Relative Frequency Frequency 0.61 0.61 0.5- 0.5 0.4 0.4 0.3 - O Students Parents 0.3 Students 0.2- O Parents 0.2 0.1 0.1 Less than 250 to 500 500 to 1,000 More than 250 miles Less than 250 to 500 miles 500 to 1,000 miles More than 1,000 250 miles miles miles 1,000 miles
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1-. Given x2 + 1 if x 0. x -0' Find lim f (x). Show your work. [ 4] 2-. Let te School Inc. f (x ) =$1- x2 if x 20 =12x - 1ifx
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The sample proportion, x, _____. is an unknown value. used for assessing variability. is constant. varies from sample to sample

6) For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. Santa Fe black-on-white is a type of pottery commonly found at archaeological excavations at a certain monument. At one excavation site a sample of 570 potsherds was found, of which 355 were identified as Santa Fe

6: What are the information gains of A1 and A2 relative to these training examples? \f
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WHAT IS THE POINT TO FOLLOW THE SIX PRINCIPLES OF POWERPOINT USE ETHOS TO DESCRIBE THIS AND MAKE INTO A PARAGRAPH

149. Una actividad del proyecto se representa grficamente mediante en el diagrama de red. A. un crculo B. una lnea recta C. una flecha

= 100 = 10 What % of test scores fall between 80 and 120? How many standard deviation is 80 below the mean How many standard deviation is 120 above the mean? What % falls between 80 & 120?

Many different manufacturers sell residential gas ranges. The cost (in dollars) of four gas ranges is given below: 529, 664, 709, 800 a. Suppose a random sample of size two is selected from this population WITHOUT replacement, find the sampling distribution of the sample mean. b. Suppose a random sample of size two is selected from this population

Keep the Quantile symbology method for the choropleth map. The break points should be 830, 1620, 2972, 4831, and 11595. Change the color ramp to something else from the grayscale. Make sure the ramp doesn't have any white in it and that it is a gradient of one hue (not diverging). Maximize the ArcGIS Pro window

Determine the P(A C and B C ) given the following: P(A) = 0.7 P(B|A) = 0.7 P(B|A C ) = 0.7

The California license plate has one number followed by three letters followed by three numbers how many different license plates are there.

Assume that n = 8, and p =2/9 1) Find the probability of at least 2 successes and at least 2 failures. 1-56*(2/9)^3*(6/9)^5-70*(2/9)^4*(6/9)^4-56*(2/9)^5*(6/9)^3 wasn't the answer.

I'm having trouble choosing a specific statistical test. I am comparing military suicide rates in countries with conscription in contrast to those with voluntary service.

Find all real solutions of the equation. (Enter your answers as a comma-separated list.) 7=sqrt(4x-3)

The price of gas has been increasing over the last month. Renee believes there is a positive correlation between the number price of gas. Number of Storms Predicted Gas Price $2.34 3 $2.44 4 $2.49 6 $2.56 7 $2.61 Use the table to determine the average rate of change from 3 to 6 storms. 0.04 03 0.12 0 0.27

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A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 750 hours. A random sample of 25 light bulbs has a mean of 745 hours. Assume the population is normally distributed and the population standard deviation is 60 hours. At a=0.02, do you have enough evidence to reject the manufacturers claim? I need

The Memorial Hospital emergency department averages 30 patients in the department at any one time. Twenty patients arrive per hour. What is the average throughput time for each patient? Group of answer choices 1.5 hours .66 hours 3 hours 1 hour

A Mark&Sweep garbage collector consists of a mark phase, which marks all reachable and allocated descendants of the root nodes, followed by a sweep phase, which frees each unmarked allocated block. Group of answer choices True False

3. A project has the following estimated data: Price=$81 per unit, variable costs=$18 per unit, fixed costs =$28,950, required return=12%, initial investment=$40,200, life= 4 years. Ignoring the effect of taxes; What is the accounting breakeven quantity? The cash breakeven quantity? The financial breakeven quantity? What is the degree of operating
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Help please 4. [-/1.11 Points] DETAILS If a and p are acute angles such that cos a = 8 17 and tan B = -, 3, find the following. (a) sin(a + B) (b ) cos(a + B) (c) the quadrant containing a + O Quadrant I O Quadrant II O Quadrant III O Quadrant IV Need Help? Read It 5. [-/1.11 Points] DETAILS Determine if the identity is correct. cos(u + v) + cos(u
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If city council wanted to determine why crime rates were lower in some neighborhoods rather than others, what statistical process would be most appropriate. Group of answer choices Use a confidence interval with points with expected crime rates as the mean A hypothesis test with a null hypothesis that crime rate is less than or equal to the

hi please solve this problem related to Fermat's and Euler's Theorems 2. Let p be a prime integer, p > 3. (a) Show that 1 and p 1 are the only elements of the field Z, which are equal to their multiplicative inverse. (Hint: consider the equation z> 1 = 0.) (b) Using the result of (a), show that (p 1)! = 1 mod p. (c) What can you say about (p 1)!
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Show work please 10. Does the \"T\" chart represent a function? Why or why not? X Y 5 -6 3 -3 1 -1 -3 -1 11. Given f(x) = 3x 5; find f(2) and f(n + 1)
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I am confused on how to get parts c and d correct. Anything helps! \f
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A local pizza restaurant delivery time has a uniform distribution over 0 to 60 minutes. What is the probability that the pizza delivery time is more than 25 minutes on a given day? Answer: (Round to 2 decimal places.)

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Write the standard form of the quadratic function that has the indicated vertex and whose graph passes through the given point. Use a graphing utility to verify your result.Vertex: (6, 1); Point: (8, -11)

The data represents the body mass index (BMI) values for 20 females. Construct a frequency distribution beginning with a lower class limit of 15.0 and use a class width of 6.0. What frequency is listed for the third class? 19.6, 25, 32.1, 34.5, 40.2, 49, 53.3,33.6, 30, 39.6, 54.6, 20.7, 41.1, 38.5, 15.9, 30.2, 49.8, 41.8, 31.7, 26.9

7) Consider a binomial experiment with n = 6 trials where the probability of success on a single trial is p = 0.15 . (Round your answers to three decimal places.) (a) Find P ( r = 0). (b) Find P ( r 1) by using the complement rule. 25) Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your

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