The weights, X grams, of bars of soap are normally distributed with mean 125 grams and standard
Question:
The weights, X grams, of bars of soap are normally distributed with mean 125 grams and standard deviation 4.2 grams.
i. Find the probability that a randomly chosen bar of soap weighs more than 128 grams.
ii. Find the value of k such that P(k < X < 128) = 0.7465.
iii. Five bars of soap are chosen at random. Find the probability that more than two of the bars each weigh more than 128 grams.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 76% (13 reviews)
i Px 128 0239 ii k 116 iii P 00910 Writing ...View the full answer
Answered By
Waseem Lodhi
I am an Electronics Engineer graduated from NUST - Islamabad, Pakistan in 2010. A tech savvy and problem solver that you can rely on. Enthusiastic individual with superior skills in both team based and independent capacities.
I am a Mathematician & Statistician with 12+ years experience in various tasks. I have a strong grip in Mathematics, Calculus, Statistics, Probability, Electronics, Article writing, Circuit analysis, Content Writing, Science subjects, mathematics tests like GMAT, GRE, SAT, etc. I am a versatile project-oriented writer ready to work. Short deadlines are my specialty, and I’m extremely motivated to have a final product that you have demanded for.
I have scored 'A' grades in Mathematics, Additional Mathematics, Physics and Chemistry during O-levels; 197/200 in Mathematics & 550/600 in science subjects during pre-Engineering; and 'A' grades in Calculus I & II, Electronics, Probability & Statistics, and Circuit Analysis during Engineering.
My degrees include:
* B.E Electronics Engineering from NUST-SEECS Pakistan (Sep 2006 - Aug 2010, 1st Division).
* FSC (Pre-Engineering) from Army Public Degree College Multan (Sep 2004 - Aug 2006, 896/1100).
* O-Levels from Beacon House School System (Aug 2002 - Aug 2004, 3 A’s, 2 B’s)
I am taking multiple projects here currently and can assist you in many tasks like, content development, question-bank creation, article and e-book writing, worksheets, quizzes, assignments etc.
I am teaching and developing content at Uwork for more than 12 years. This is a link to my profile:
https://www.upwork.com/freelancers/~01048343a87446f02a
I have taken multiple projects there and have secured 5/5 rating most of the times. I have many fixed clients there who give me regular tasks and pay good.
0.00
0 Reviews
10+ Question Solved
Related Book For
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
Question Posted:
Students also viewed these Mathematics questions
-
Find the probability that a randomly chosen value will be less than 3. Answer Exercises 1-4 on page 729 for each probability distribution below. Distribution A Distribution B 12 34 56 2 3 4 56...
-
The scores on an examination are normally distributed with mean p = 70 and standard deviation a = 8. Suppose that the instructor decides to assign letter grades according to the following scheme...
-
The lives of refrigerators are normally distributed with mean = 14 years and standard deviation = 2.5 years. (a) Draw a normal curve with the parameters labeled. (b) Shade the region that...
-
In designing an experiment, the researcher can often choose many different levels of the various factors in order to try to find the best combination at which to operate. As an illustration, suppose...
-
What is the mass of 4.44 mol of Rb?
-
Wiemers Products Company operates three divisions, each with its own manufacturing plant and marketing/sales force. The corporate headquarters and central accounting office are in Wiemers, and the...
-
Explain, with reasons, whether or not each of the following is a disclosable related party transaction of Alpha Ltd under NZ IAS 24: Alpha Limited stores inventory in a warehouse that is leased from...
-
Nifty Company produces three models of aluminum skateboards. The models have minor differences, but their processing operations and production costs are identical. During June, the following costs...
-
A multinational corporation is accused of environmental pollution and human rights violations in a foreign country where it operates. What legal challenges arise in holding the corporation...
-
Determine the horizontal and vertical components of the force exerted by the hinges at B and C on member ABCD of the loaded structure, shown in Fig. 83a. 0.2 m 1.2m 300 N 0.2 m E F 4 1.2 m 3 500 N...
-
Find the value of and of and calculate P(W > 6.48) for the variable W ~N(, 2 ), given that P(W 4.75) = 0.6858 and P(W 2.25) = 0.0489.
-
An opinion poll was taken before an election. The table shows the percentage of voters who said they would vote for parties A, B and C. ind an approximation for the probability that, in a random...
-
Posada Corp. (POS) expects to earn EBITDA of $4.2 million next year and expects slow but steady growth thereafter. POSs three key competitors (nearly identical operations and growth prospects) are...
-
Advertising on various media channels is the need of the hour and companies are spending hefty amount of money on branding and advertising. Write down the Advantages and Disadvantages of- 1....
-
You are a financial planner. Your client's primary objective is to finance her child's undergraduate studies costs. Today, time 0, is January 1, 2020, and your client found out that her child was...
-
Explain the key principles identified by the Basel Committee that needs to be followed to ensure sound corporate governance. Link your explanation to the practical operation of a named bank.
-
Joe Kerry, owner of a small bakery, wants to obtain marketing insights to improve his business. Joe has a limited budget and would like to gather free secondary data. What is the best option for Joe?
-
Develop approaches to respond to the challenges of managing and leading multiple and remote teams Challenges include Communication ( methods , type , times , frequency, availability, interpretation...
-
a. How could each of the following compounds be prepared from a hydrocarbon in a single step? 1. 2. 3. b. What other organic compound would be obtained from each synthesis? OH Br Br CH CH HO
-
Which of the companies has the lowest accounts receivable turnover in the year 20X2? a. Company A. b. Company B. c. Company C. d. CompanyD. 20X1 20X2 Credit Sales Average Receivables Balance $1.0...
-
Can you write a general formula for the probability that x rats will die in the 8-hour period? Evaluate this formula for x = 0, 1, . . . , 10. Cancer, Epidemiology An experiment is designed to test...
-
Suppose 27 cases of Downs syndrome are found and only 19 are expected based on Birth Defects Monitoring Program prevalence estimates in the states of Washington, Idaho, and Oregon. Are there...
-
What is the probability of observing exactly 12 cases of cleft palate if there is no excess risk of cleft palate in the study area? Suppose 12 cases of cleft palate are observed, whereas only 7 are...
-
The state at the beginning of compression of an air-standard Diesel cycle is fixed by p = 100 kPa and T = 310 K. The compression ratio is 21 and the cutoff ratio is 1.9. Determine: (a) the maximum...
-
aub =0.08. The area and chord of the wing are 0.1m and 0.1 m, respectively. Now assume that a horizontal tail is added to this model. We have the flowing parameters: =0.17m, S = 0.02m, i, = 2.5,...
-
In a fully developed flow through a pipe of 300 mm diameter, the wall shear stress is 50 Pa. The Darcy friction factor is 0.05. What is the rate of flow in case of i) water flowing through the pipe,...
Study smarter with the SolutionInn App