A population of values has a normal distribution with µ = 65.8 and o = 89.9. You intend to draw arandom sample of size n = 34.%3DFind the probability that a single randomly selected value is greater than 79.7.P(X > 79.7)=Enter your answers as numbers accurate to 4 decimal places.Find the probability that a sample of size n = 34 is randomly selected with a mean greater than 79.7.P(E > 79.7) =Enter your answers as numbers accurate to 4 decimal places.Note: You should carefully round any intermediate values you calculate to 4 decimal places to matchwamap's approach and calculations.

Answered: Image /qna-images/answer/2b83df25-7d1b-4f4e-ac9b-4d65dcc98535.jpg

Answered: A population of values has a normal…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A population of values has a normal distribution with a-181 and o-41.8, You intend to draw a random sample of size rn 144, Find the probability that a single randomly selected value is between 176.5 and 183.1. P(176.5 X< 183.1) = Find the probability that a sample of size n = 144 is randomly selected with a mean between 176.5 and! 183.1. P(176.5 M< 183.1) = Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z Scores rounded to 3 decimal places are accepted.
llustration 17.8. For a binomial distribution the mean is 6 and standard deviation is 2. Write out all the terms of the distri- bution.
A standardized exam's scores are normally distributed. In a recent year, the mean test score was 1463 and the standard deviation was 314. The test scores of four students selected at random are 1870, 1220, 2190, and 1340. Find the z-scores ← that correspond to each value and determine whether any of the values are unusual. F1 The z-score for 1870 is (Round to two decimal places as needed.) The z-score for 1220 is. (Round to two decimal places as needed.) The z-score for 2190 is (Round to two decimal places as needed.) The z-score for 1340 is. (Round to two decimal places as needed.) Which values, if any, are unusual? Select the correct choice below and, if necessary, fill in the answer box within your choice. OA. The unusual value(s) is/are. (Use a comma to separate answers as needed.) OB. None of the values are unusual. F2 80 F3 000 000 F4 F5 ^ MacBook Air F6 & A D F7 * DII F8 DD F9 ) J 운 F10 I a F11 + Next F12 delete
Q3: PVC pipe is manufactured with a mean diameter of 1.01 inch and a standard deviation of 0.003 inch. Find the probability that a random sample of n = 9 sections of pipe will have a sample mean diameter greater than 1.009 inch and less than 1.012 inch. (2000
The weights of cans of Ocean brand tuna are supposed to have a net weight of 6 ounces. The manufacturer tells you that the net weight is actually a Normal random variable with a mean of 5.95 ounces and a standard deviation of 0.2 ounces. Suppose that you draw a random sample of 42 cans. Parti) Suppose the number of cans drawn is doubled. How will the standard deviation sample mean weight change? A. It will decrease by a factor of √2. B. It will increase by a factor of √2. C. It will increase by a factor of 2. D. It will decrease by a factor of 2. E. It will remain unchanged. Part ii) Suppose the number of cans drawn is doubled. How will the mean of the sample mean weight change? ▸ A. It will increase by a factor of √2. B. It will decrease by a factor of 2. C. It will increase by a factor of 2. D. It will decrease by a factor of √2. E. It will remain unchanged. Part iii) Consider the statement: The distribution of the mean weight of the sampled cans of Ocean brand tuna is Normal." A. It…
The gestation period of humans follows a normal distribution with a mean of 266 days and a standard deviation of 16 days. Solve for the probability that a random sample of 20 pregnancies has a mean gestation period of 260 days or less. O P(Z > -1.68) = 0.9535 %3D O P(Z 1.68) = 0.0465 %3D
average number of pounds of meat that a person consumes per year is 218pounds. Assume that the standard deviation is 26 pounds and the distribution is approximately normal. 1- Find the probability that a person selected at random consumes less than 224 pounds per year 2-1f a sample of 50 individuals is selected find the probability that the mean of the sample will be less than 224 pounds per year
A population of values has a normal distribution with 116.3 and a 60.6. You intend to draw a random sample of size n = 78. Please show your answers as numbers accurate to 4 decimal places. Find the probability that a single randomly selected value is greater than 114.2. PIX> 114.2) - Find the probability that a sample of size n=78 is randomly selected with a mean greater than 114.2. P114.2) -
An electrical firm manufactures incandescent light bulbs that have a length of life (in hours) that is normally distributed. If the mean and standard deviation length of life of all lightbulbs produced are 1250 hours and 300 hours respectively, find the probability that a randomly selected bulb will last less than 1100 hours. Do NOT round off until you arrive at the FINAL ANSWER. Round off final answer to 3 decimal places example: (1.234)
How do you do part c?
A sample of n=20 scores has a mean of M=107. Find the z-score for this sample if it was obtained from a population with a mean of μ=109 and a standard deviation of σ=5. Group of answer choices +1.73 -1.79 +0.54 -0.87
A population of values has a normal distribution with �=114.8 and �=98.1. You intend to draw a random sample of size �=228.Find the probability that a single randomly selected value is between 111.6 and 130.4.P(111.6 < X < 130.4) = Find the probability that a sample of size �=228 is randomly selected with a mean between 111.6 and 130.4.P(111.6 < M < 130.4) =

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