New Semester
Started
Get
50% OFF
Study Help!
--h --m --s
Claim Now
Question Answers
Textbooks
Find textbooks, questions and answers
Oops, something went wrong!
Change your search query and then try again
S
Books
FREE
Study Help
Expert Questions
Accounting
General Management
Mathematics
Finance
Organizational Behaviour
Law
Physics
Operating System
Management Leadership
Sociology
Programming
Marketing
Database
Computer Network
Economics
Textbooks Solutions
Accounting
Managerial Accounting
Management Leadership
Cost Accounting
Statistics
Business Law
Corporate Finance
Finance
Economics
Auditing
Tutors
Online Tutors
Find a Tutor
Hire a Tutor
Become a Tutor
AI Tutor
AI Study Planner
NEW
Sell Books
Search
Search
Sign In
Register
study help
mathematics
business statistics
Basic Statistics For Business & Economics 6th Canadian Edition Douglas A. Lind, William G Marchal, Samuel A. Wathen, Carol Ann Waite - Solutions
Refer to the Real Estate Data—Whistler, BC, online, which reports information on listed homes for July 2016. Consider the variables: list price, number of bedrooms, full bathrooms, square feet, style, walk score, and pool.a. Which of the variables are qualitative, and which are
Refer to the CREA (Canadian Real Estate Association) data online, which reports information on average house prices nationally and in a selection of cities across Canada. Consider the variables region and average house prices.a. Which of these variables are quantitative, and which are
Refer to the Average Weekly Earnings data online, which reports information on the average weekly earnings by year and province. The variables are province, year, and average weekly earnings.a. Which of the variables are qualitative, and which are quantitative?b. Determine the level of
Rob Whitner is the owner of Whitner Autoplex. Rob’s father founded the dealership in 1964, and for more than 30 years, they sold exclusively Pontiacs. In the early 1990s, Rob’s father’s health began to fail, and Rob took over more of the day-to-day operation of the dealership. At this same
The National Household Survey conducted by Statistics Canada in 2011 reports that 851 560 people identified themselves as First Nations persons, 451 795 identified themselves as Métis, 59 445 identified themselves as Inuit, multiple Aboriginal identities were reported by 11 415, and Aboriginal
Shown below are the student loan amounts for 2018 for eight students in the business administration program. Develop a bar chart for the data, and summarize the results in a brief report. Amount ($) Name Amount ($) Name Daniel Ng Erin Brooks Jasmine Smith Enrique Lopes $6087 4747 3272 $3228 2828
Stop-One.com, a large Internet retailer, is studying the lead time (elapsed time between when an order is placed and when it is filled) for a sample of recent orders. The lead times are reported in days. a.?How many orders were studied?b.?What is the midpoint of the first class?c.?What are the
The Consumer Price Index increases from 2006 to 2015 (base year 2002 = 100) is shown in the following table (statcan.gc.ca/tables-tableaux/sum-som/l01/cst01/econ161a-eng.htm). Construct a line chart to depict the informationYear .....................CPI2015 ..................126.62014
The number of minutes that it takes an auditor to process an invoice is given in the table below: a.?What is the arithmetic mean of processing time?b.?Find the median and mode of the processing times.c.?Are the data symmetric, positively skewed, or negatively skewed? Explain. 7.2 7.8 8.2 7.6 6.6
Gas prices in St. John’s, Newfoundland, have increased from 64.1 cents per litre for regular unleaded in 1990 to 121.7 cents per litre in 2016 (www40.statcan.gc.ca/l01/cst01/perecon154a-eng.htm). What was the geometric mean annual increase for the period?
In 2011, there were 42 million pager subscribers. By 2016, the number of subscribers increased to 70 million. What is the geometric mean annual increase for the period?
The average tuition fees for dentistry in Canada increased from $7863 for the 1999–2000 academic year to $21 021 in the 2016–2017 academic year (statcan.gc.ca/daily-quotidien/130912/dq130912beng.htm). What was the geometric mean annual increase for the period?
Colton spent the following amounts in the cafeteria last week: $8, $3, $7, $3, and $4. Consider these five amounts a population.a. Determine the mean of the population.b. Determine the variance.
The number of customers ordering sandwiches from BagelStop between 8 and 9 am on six consecutive days was 13, 3, 8, 10, 8, and 6. Consider these six values a population.a. Determine the mean of the population.b. Determine the variance.
The number of returns audited on each day last week are: 7, 2, 6, 2, and 3. Consider this sample data.a. Compute the sample variance.b. Determine the sample standard deviation
The following number of bags of cookies were removed from a production line in the last five hours to be tested for quality purposes: 11, 6, 10, 6, and 7.a. Compute the sample variance.b. Determine the sample standard deviation
The following figure portrays the appearance of a distribution of efficiency ratings for employees of Nale Nail Works Inc.: a.?Estimate the mean efficiency rating.b.?Estimate the standard deviation to the nearest whole number.c.?About 68% of the efficiency ratings are between what two values?d.
For a sample of students in a college studying Business Administration, the mean grade-point average is 3.10, with a standard deviation of 0.25. Compute the coefficient of variation.
Skipjack Airlines is studying the mass of luggage for each passenger. For a large group of domestic passengers, the mean is 21 kg, with a standard deviation of 5 kg. For a large group of overseas passengers, the mean is 35 kg, and the standard deviation is 7 kg. Compute the relative dispersion of
The research analyst for the Sidde Financial stock brokerage firm wants to compare the dispersion in the price-earnings ratios for a group of common stocks with the dispersion of their return on investment. For the price-earnings ratios, the mean is 4.9, and the standard deviation 1.8. The mean
The following data is the ages of a group of tourists horseback riding in Calgary, Alberta. Determine the median and the values corresponding to the first and third quartiles. 49 49 54 51 54 53 46 47 55 55 59
In a study of the fuel efficiency of model year 2010 automobiles, the mean efficiency was 12 kilometres per litre (km/L), and the median was 11.7 km/L. The smallest value in the study was 5.5 km/L, and the largest was 22 km/L. The first and third quartiles were 7.8 km/L and 15.5 km/L, respectively.
Determine the mean, median, and standard deviation of the following frequency distribution: Class Frequency 0 to under 5 2 5 to under 10 7 10 to under 15 12 15 to under 20 20 to under 25 3
Determine the mean, median, and standard deviation of the following frequency distribution: Class Frequency 20 to under 30 30 to under 40 12 21 40 to under 50 50 to under 60 18 60 to under 70 12
The following frequency distribution reports the amount, in thousands of dollars, owed by a sample of 50 public accounting firms. Find the mean, median, and standard deviation. Amount ($ thousands) Frequency $20 to under $30 30 to under 40 15 40 to under 50 22 50 to under 60 8. 60 to under 70
The Canadian government wants to know the relative age of its workforce. As the ?baby boom? generation becomes older, the government is concerned about the availability of younger, qualified workers. To become more informed, the government hired ABC Consulting Services to survey many industries
The uncertainty in the stock market led Sam to diversify his investments. However, he still felt that stock options would earn the most, so he left the bulk of his funds in stock options. The table below lists Sam?s earnings from investments last year. What is the average rate of return on his
Listed below are the commuting distances, in kilometres, of students attending college for their first year: a.?What is the arithmetic mean distance travelled?b.?What is the median distance travelled?c. What is the modal distance travelled? 4.6 4.6 9.3 4.3 6.8 7.8 5.3 5.2 6.3 7.5 8.2 9.4 7.4 5.3
The Carter Construction Company pays its summer students an hourly rate of $13 for general labour, $15.50 for landscaping, or $18 for road work. Forty students were hired for the summer, 20 for general labour, 12 for landscaping, and 8 for road work. What is the mean hourly rate paid to the 40
A library has seven branches in its system. The number of volumes (in thousands) held in the branches are83, 510, 33, 256, 401, 47, and 23.a. Is this a sample or a population?b. Compute the standard deviation.c. Compute the coefficient of variation. Interpret.
A major airline wanted some information on those enrolled in its ?frequent flyer? program. A sample of 48 members resulted in the following distance flown last year, in thousands of kilometres, by each participant. Develop a box plot of the data, and comment on the information. 41 47 22 29 32 38 46
The National Muffler Company claims they will change your muffler in less than 30 minutes. An investigative reporter for WTOL Channel 11 monitored 30 consecutive muffler changes at the National outlet on Liberty Street. The number of minutes to perform changes is reported below: a.?Develop a box
The following box plot shows the number of daily newspapers published. Summarize the findings. Be sure to include information on the values of the first and third quartiles, the median, and whether there is any skewness. If there are any outliers, estimate their value. ㅜ ** ** 20 40 Number of
A data distribution has a median value of 85, a first-quartile value of 80, and a third-quartile value of 100. Would the following values be considered a low outlier, a high outlier, or not an outlier: 35, 48, 52, 66, 108 and 105?
Find the mean, median, mode, standard deviation, and interquartile range. Consider these sample data. Grade on Quiz 3 4 5 7 10 Number of Students 20 4 4
Find the mean, median, mode, standard deviation, and interquartile range. Consider these sample data. 60 Grade on Quiz 50 70 80 90 100 17 21 8. 13 Number of Students 2 40
The final marks for the Wednesday class in Statistics 101 are ready to be posted. The class average is 70%, with a standard deviation of 8. Use the Empirical Rule to answer the following questions.a. What percentage of the grades are between 62 and 78?b. What percentage of the grades are
The final marks for the Wednesday class in Statistics 101 are ready to be posted. The class average is 72%, with a standard deviation of 9. Use the Empirical Rule to answer the following questions.a. What percentage of the grades are above 81?b. What percentage of the grades are below
Refer to the following data: 11 26 34 12 15 33 37 55 41 36 42 14 39a. Determine the values for the first, second and third quartiles.b. Sketch a boxplot for the data.c. Beyond what point is a value considered an outlier?d. Are there any outliers? If so, what is their
Refer to the following data: 110 265 344 125 165 333 537 855 410 362 412 114 390 115a. Determine the values for the first, second and third quartiles.b. Sketch a boxplot for the data.c. Beyond what point is a value considered an outlier?d. Are there any outliers? If so, what is
A national pollster has developed 15 questions designed to rate the performance of the prime minister of Canada. The pollster will select 10 of these questions. How many different arrangements are there for the order of the 10 selected questions?
The chair of the board of directors says, “There is a 50% chance this company will earn a profit, a 30% chance it will break even, and a 20% chance it will lose money next quarter.”a. Use an addition rule to find the probability the company will not lose money next quarter.b. Use the
There are 10 marbles in a bag: red, blue and green. Some are clear and some are solid. Refer to the following table: If a marble is selected:a.?Determine?P(Red).b.?Determine?P(Clear|Blue).c. Determine P(Solid and Green). Colour of Marble Second Event Red Blue Green Total 3 Clear Solid 4 10 Total
Students were surveyed on the number of visits to a Marc?s Milk convenience store (often, occasional, or never) and if the store was conveniently located to their school (yes or no) a. What is the probability that a student never visited the store? b. What is the probability that a student visited
Define each of these items:a. Conditional probability.b. Event.c. Joint probability
How many possible outcomes are there when a coin is tossed six times?
A photographer has four pictures to arrange for a gallery showing. In how many ways can the photographer arrange the pictures?
How many ways are there of drawing seven cards from a deck of 52 cards? Note that the cards are not replaced.
In how many ways can the digits from 0 to 5 be arranged three at a time?
Eight-ball pool, one of the most popular pool games, has 15 coloured and striped balls, numbered from 1 to 15, and a white cue ball. In how many ways could six of the numbered balls be arranged?
A committee of 5 is selected from a group of 7 faculty and 50 students. In how many different ways can the committee be selected if it must consist of two faculty and three students?
A panel discussion of seven employees consists of 4 women and 3 men. In how many ways can this group be selected from 15 men and 20 women?
If a committee of 6 is being selected from a group of 10 men and 12 women, in how many ways can this committee be arranged if at least 3 must be women?
A crew of eight is required for each midnight shift at the airport. There are 50 employees to choose from, and 30 of these are men. In how many ways can the crew be selected if at least half must be men?
A survey of undergraduate students in the School of Business at Northern University revealed the following regarding the gender and majors of the students: a.?What is the probability of selecting a female student?b.?What is the probability of selecting a finance or accounting major?c. What is the
Consumers were surveyed on the number of visits to a Sears store (often, occasional, and never) and if the store was located in an enclosed mall (yes and no). The results are summarized in a contingency table: a.?Are the number of visits and enclosed mall variables independent? Why? Interpret your
The marketing department has been given the assignment of designing colour codes for the 42 different lines of compact disks (CDs) sold by Goody Records. Three colours are to be used on each CD, but a combination of three colours used for one CD cannot be rearranged and used to identify a different
a. Some Saskatchewan licence plates have three letters and three numbers. How many licence plates of this type can there be?b. Some Ontario licence plates have four letters and three numbers. How many licence plates of this type can there be?
Canadian postal codes consist of three letters and three digits, which alternate and start with a letter. For example, R2E 0M4 is a postal code from Winnipeg, Manitoba. How many postal codes can be created using this system?
A study was done of the 377 vehicles parked in the college parking lot last Friday. The results were as follows: a.?What is the probability of finding a white car?b.?What is the probability of finding a red or a black car?c.?What is the probability that the car is not an SUV?d.?What is the
Refer to the Real Estate Data—Orleans online, which reports information on list prices, listing number, type, number of bathrooms, number of bedrooms, title, year built, and area.a. What is the probability that a dwelling is an apartment?b. What is the probability that a dwelling is not
Refer to the Real Estate Data—Orleans online, which reports information on list prices, listing number, type, number of bathrooms, number of bedrooms, title, year built, and area.a. What is the probability that a listing is less than $300 000?b. What is the probability that a listing is
Refer to the Real Estate Data—Orleans online, which reports information on list prices, listing number, type, number of bathrooms, number of bedrooms, title, year built, and area.a. What is the probability that a listing is less than $200 000?b. What is the probability that a listing is
Refer to the Real Estate Data—Orleans online, which reports information on list prices, listing number, type, number of bathrooms, number of bedrooms, title, year built, and area. Sort the data into a table by type and list price (in class widths of 100 000) and compute the following
Refer to the Real Estate Data—Orleans online, which reports information on list prices, listing number, type, number of bathrooms, number of bedrooms, title, year built, and area. Sort the data into a table by list price (class widths of $100 000) and the number of bedrooms. Compute the following
Refer to the Real Estate Data—Saskatoon online, which reports information on list prices, type, number of full and half bathrooms, number of bedrooms, and total square feet.a. What is the probability that a dwelling is a house?b. What is the probability that a dwelling is not an
Refer to the Real Estate Data—Saskatoon online, which reports information on list prices, type, number of full and half bathrooms, number of bedrooms, and total square feet.a. What is the probability that a listing is less than 1000 square feet?b. What is the probability that a listing
Refer to the Real Estate Data—Saskatoon online, which reports information on list prices, type, number of full and half bathrooms, number of bedrooms, and total square feet.a. What is the probability that a listing is less than $200 000?b. What is the probability that a listing is less
Refer to the Real Estate Data—Saskatoon online, which reports information on list prices, type, number of full and half bathrooms, number of bedrooms, and total square feet. Sort the data into a table by type and list price (in class widths of $500 000), and compute the following
Refer to the Real Estate Data—Saskatoon online, which reports information on list prices, type, number of full and half bathrooms, number of bedrooms, and total square feet. Sort the data into a table by list price (class widths of $500 000) and the number of bedrooms. Compute the following
Refer to the Real Estate Data—Saskatoon online, which reports information on list prices, type, number of full and half bathrooms, number of bedrooms, and total square feet. Sort the data into a table by list price (class widths of $500 000) and the square footage (class widths of 1000). Compute
Sam Simone is the manager of a family-run pet store. He is deciding whether to open an hour later on Sundays. From past sales on Sundays he has determined that the probability of zero sales during this hour is 20%, one sale is 40%, two sales is 30%, and three sales is 10%. The results are
Compute the mean and variance of the following discrete probability distribution:x ................P(x)2 ................0.58 ................0.310 .............0.2
Three tables listed below show random variables and their probabilities. However, only one of these is actually a probability distribution. a.?Which of the above tables is a probability distribution?b.?Using the correct probability distribution, find the probability that?x?is:(1)?Exactly 15.(2)?No
The following table lists the probability distribution for cash prizes in a lottery conducted at Lawson’s Department Store:Prize ($) ................Probability$0 ..................................0.4510 .................................0.30100 ...............................0.20500
You are asked to match three songs with the performers who made those songs famous. If you guess, the probability distribution for the number of correct matches is: What is the probability you will get:a.?Exactly one correct?b.?At least one correct?c.?Exactly two correct?d. Compute the mean,
The parking authority in downtown Halifax reported the following information for a sample of 250 customers on the number of hours cars are parked and the amount they are charged: a. Convert the information on the number of hours parked to a probability distribution. Is this a discrete or a
The likelihood that a student will go to the cafeteria during a class break is 0.25. In a sample of 4 students, determine the probabilities of the following events:a. x = 2b. x = 3c. x ≥ 2d. x < 3
The likelihood that an adult attending a weekday afternoon theatre performance is a senior is 0.40. In a sample of 5 adults, determine the probabilities of the following events:a. x = 1b. x = 2c. x > 2d. x ≤ 4
A recent survey found that 60% of college students had part-time jobs. If 12 students are selected, find the following probabilities:a. x = 5.b. x ≤ 5.c. x ≥ 6.
Steele Electronics Inc. sells expensive brands of stereo equipment in several shopping malls. The marketing research department of Steele reports that 30% of the customers entering the store that indicate they are browsing will, in the end, make a purchase. Let the last 20 customers who enter the
Kolzak Appliance Outlet just received a shipment of 10 TV sets. Shortly after they were received, the manufacturer called to report that he had inadvertently shipped three defective sets. Ms. Kolzak, the owner of the outlet, decided to test two of the 10 sets she received. What is the probability
Professor Jon Hammer has a pool of 15 multiple-choice questions regarding probability distributions. Four of these questions involve the hypergeometric distribution. What is the probability at least one of these hypergeometric questions will appear on the five-question quiz on Monday?
Professor Hunking finds an average of 4 grammatical errors (x) per case study submitted by his Business Policy class. The distribution of errors approximates a Poisson distribution.a. What is the probability that x = 2?b. What is the probability
Textbook authors and publishers work very hard to minimize the number of errors in a text. However, some errors are unavoidable. Ms. Kimberley Veevers, statistics editor, reports that the mean number of errors per chapter is 0.8. What is the probability that there are less than two errors in a
What are the requirements for the binomial distribution?
Under what conditions will the binomial and the Poisson distributions give roughly the same results?
Samson Apartments has a large number of units available to rent each month. A concern of management is the number of vacant apartments each month. A recent study revealed the percentage of the time that a given number of apartments are vacant. Compute the mean and the standard deviation of the
The vice-president of human resources at Lowes Inc. is studying the number of on-the-job accidents over a period of one month. He developed the following probability distribution. Compute the mean, variance, and standard deviation of the number of accidents in a month.Number
Three tables listed below show random variables and their probabilities. However, only one of these is actually a probability distribution. a.?Which of the above tables is a probability distribution?b.?Using the correct probability distribution, find the probability that?x?is:1.?Exactly 75.2.?No
The Bank of Hudson Bay reports that 7% of its credit card holders will default at some time in their life. The Moose Factory branch just mailed out 12 new cards today.a. How many of these new cardholders would you expect to default? What is the standard deviation?b. What is the likelihood
A manufacturer of computer chips claims that the probability of a defective chip is 0.002. The manufacturer sells chips in batches of 1000 to major computer companies.a. How many defective chips would you expect in a batch?b. What is the probability that none of the chips are defective in
The sales of Lexus automobiles in the Calgary area follow a Poisson distribution with a mean of three per day.a. What is the probability that no Lexus is sold on a particular day?b. What is the probability that for five consecutive days at least one Lexus is sold?
An internal study at Lahey Electronics, a large software development company, revealed the mean time for an internal email message to arrive at its destination was two seconds. Further, the distribution of the arrival times followed a Poisson distribution.a. What is the probability a message
Recent crime reports indicate that 18.4 motor vehicle thefts occur every hour in Canada. Assume that the distribution of thefts per hour can be approximated by a Poisson probability distribution.a. Calculate the probability exactly four thefts occur in an hour.b. What is the probability there are
New Process Inc., a large mail-order supplier of women’s fashions, advertises same-day service on every order. Recently, the movement of orders has not gone as planned, and there were a large number of complaints. Bud Owens, director of customer service, has completely redone the method of order
The National Aeronautics and Space Administration (NASA) has experienced two disasters. The Challenger exploded over the Atlantic Ocean in 1986, and the Columbia exploded over east Texas in 2003. There have been a total of 123 space missions. Assume that failures continue to occur at the same rate.
The law firm of Hagel and Hagel is located in downtown Winnipeg. There are 10 partners in the firm: 7 live in Osborne Village and 3 live in St Boniface. Wendy Hagel, the managing partner, wants to appoint a committee of 3 partners to look into relocating the firm to larger office space with more
a. Construct a probability distribution for x = number of big-screen TVs sold.b. What is the expected number of big-screen TVs sold per month? Interpret this value.c. The price of a big-screen TV is on average is on average $3575 per TV. If the salesperson’s commission on a big screen TV is
A recent study revealed that 40% of women in the St. John’s area who work full-time also volunteer in the community. Suppose we randomly select eight women in the St. John’s area.a. What is the probability that exactly three of the women volunteer in the community?b. What is the
Showing 1200 - 1300
of 4119
First
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Last
Step by Step Answers
Get 50% OFF
Claim Now
