99% A normally distributed sample of 25 individuals is selected. 5. population h

Question

99% A normally distributed sample of 25 individuals is selected. 5. population has a mean of 500 and a standard deviation of 100. A a. Compute the mean of the distribution of sample means and the standard error of the mean. What is the probability of obtaining a sample with a mean as extreme as or more b. extreme than 530? What is the probability of obtaining a sample than 4702 c. mean as extreme as or more extreme d. If you are testing the null hypothesis Ho: H 500 with a 05, would you reject or fail to reject the null hypothesis if you obtained a sample mean (M) of 530?

Explanation / Answer

a)

sampling mean =opulation mean =500

b)

c)

d)

as probability of getting a test statistic 530 or more is greater than 0.05 level we can not reject null hypothesis

std deviation   == 100.000 sample size       =n= 25 std error=x=/n= 20.0000

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