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Author Question: There are 8,000 students at the University of Tennessee at Chattanooga. The average age of all the ... (Read 83 times)

olivia_rose

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Question 1

There are 500 employees in a firm, 45% are female. A sample of 60 employees is selected randomly.

a.Determine the standard error of the proportion.
b.What is the probability that the sample proportion (proportion of females) is between 0.40 and 0.55?



Question 2

There are 8,000 students at the University of Tennessee at Chattanooga. The average age of all the students is 24 years with a standard deviation of 9 years. A random sample of 36 students is selected.

a.Determine the standard error of the mean.
b.What is the probability that the sample mean will be larger than 19.5?
c.What is the probability that the sample mean will be between 25.5 and 27 years?



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Marked as best answer by olivia_rose on Mar 25, 2023

Sophia0717

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olivia_rose

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Reply 2 on: Mar 25, 2023
Gracias!


connor417

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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