Q5. X has the population distribution X- N(u, 100), The distribution of asample mean from a random sample has the distribution:X ~ N(-1, 4)What is the sample size?Α. 10В. 16С. 25D. 5O A. AВ. ВС. СO D. D

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Answered: Q5. X has the population distribution…

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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If the random variable X is distributed .4 through the Normal distribution with mean = µ and variance = 400, at the significance level a =5%, to test H0: µ = 60 v.s. H1: µ < 60, using a random sample of size n = 25, the value of the sample mean leads to the rejection of H0 is * equal to 59 58 О 53 O 60.56 O
Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the probability of a bone density test score between - 1.62 and 1.62. Sketch the region. Choose the correct graph below. A. В. С. D. -1.62 1.62 -1.62 1.62 -1.62 1.62 -1.62 1.62 The probability is. (Round to four decimal places as needed.)
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Q5. X has the population distribution X~ N(µ, 100), The distribution of a sample mean from a random sample has the distribution: X ~ N(-1, 4) What is the sample size? A. 10 В. 16 С. 25 D. 5 О А. А О В. В О С. С O D. D