A population of values has a normal distribution with u = 80.1 and o = 53.7. You intend to draw arandom sample of size n = 31. Please show your answers as numbers accurate to at least 3 decimalplaces.Find the probability that a single randomly selected value is less than 101.3. 0.986Find the probability that a sample of size n = 31 is randomly selected with a mean less than 101.3.Submit QuestionO Type here to searchCopIOI10@$&2348.WERYtabD Fcaps lock|cvB NS'A)

Answered: Image /qna-images/answer/a8dfbc90-1d46-4147-adfd-330edd3f6313.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 random variable follows a normal distribution with mean 12k and variance σ2. The probability that a RV is less than p is 0.9582. knowing that the RV exceeds 10k, the probability that the RV is less than p is 0.95. Calculate σ.
A population of values has a normal distribution with μ=89.6 and σ=35.2. You intend to draw a random sample of size n=32.Find P95, which is the mean separating the bottom 95% means from the top 5% means.The mean =
Assume that the average weight of an NFL player is 245.7 lbs with a standard deviation of 34.5 lbs. The distribution of NFL weights is not normal. Suppose you took a random sample of 32 players. What is the probability that the sample average will be between 240 and 260 lbs? Round your answer to three decimal places, eg 0.192.
uppose that the speed at which cars go on the freeway is normally distributed with mean 71 mph and standard deviation 6 miles per hour. Let X be the speed for a randomly selected car. Round all answers to 4 decimal places where possible.b. If one car is randomly chosen, find the probability that it is traveling more than 73 mph. c. If one of the cars is randomly chosen, find the probability that it is traveling between 70 and 76 mph. d. 72% of all cars travel at least how fast on the freeway? mph. PLEASE ANSWE THE 3 SUBS B, C, D
A population of values has a normal distribution with M=153.9 and O=82.9 You intend to draw a random sample of size n=115. A). Find P86, which is the score separating the bottom 86% scores from the top 14% scores. P86 (for single values) =__________ B). Find P86, which is the mean separating the bottom 86% means from the top 14% means. P86 (for sample means) =_________
Los Angeles workers have an average commute of 31 minutes. Suppose the LA commute time is normally distributed with a standard deviation of 13 minutes. Let X represent the commute time for a randomly selected LA worker. Round all answers to 4 decimal places where possible.a. Find the probability that a randomly selected LA worker has a commute that is longer than 27 minutes. b. Find the 70th percentile for the commute time of LA workers. minutes
Assume that the average weight of an NFL player is 245.7 lbs with a standard deviation of 34.5 lbs. The distribution of NFL weights is not normal. Suppose you took a random sample of 32 players. What is the probability that the sample average will be between 240 and 252 lbs? Round your answer to three decimal places, eg 0.192.
Please solve the attached
a normal distribution has a mean of u=60 with o=15. if one score is randomly selected from the distribution, what is the probability that the score will be greater than x=35
The graph of a normal curve is shown below. 49 + 57 μ = + 65 73 and o = + 81 + 89 Based on this graph, give the values of the mean and standard deviation of the distribution. 97
Please show your work. thank you
A normal distribution has a mean of u = 60 with o- 8. If one score is randomly selected from this distribution, what is the probability that the score will be greater than X = 54?

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