4. Assume that the mean weight of all NFL players is 245.7 pounds, with a standarddeviation of 34.5 pounds. A random sample of 32 NFL players is selected for studyA) What is the Shape, mean (expected value) and standard deviation of the samplingdistribution of the sample mean for this study?B) For the sample of 32 players, what is the probability that the sample mean weight isgreater than 240 pounds?C) What is the probability that an individual player from the NFL weighs more than 240pounds?D) For the sample of 32, what is the probability that the sample mean weight is between 240and 250 pounds?ITNA itan

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Answered: 4. Assume that the mean weight of all…

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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The distribution of income in some Third World countries is considered very right skewed (many very poor people, very few middle income people, and even fewer wealthy people). Suppose we pick a country with a severely right skewed distribution. Let the average salary be $2,000 per year with a standard deviation of $8,000. We randomly survey 1,000 residents of that country. a. What is the sampling distribution of the sample mean, including name of the distribution, its mean, error, and standard ?
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