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Author Question: You are given the following information obtained from a random sample of 4 observations.25473256You ... (Read 77 times)

gjjjjjdkkkkk3k3k33k

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on: Mar 25, 2023

Question 1

Two thousand numbers are selected randomly; 960 were even numbers.

a.State the hypotheses to determine whether the proportion of odd numbers is significantly different from 50%.
b.Compute the test statistic.
c.At 90% confidence using the p-value approach, test the hypotheses.



Question 2

You are given the following information obtained from a random sample of 4 observations.

25473256


You want to determine whether or not the mean of the population from which this sample was taken is significantly different from 48. (Assume the population is normally distributed.)

a.State the null and the alternative hypotheses.
b.Determine the test statistic.
c.Determine the p-value; and at 95% confidence test to determine whether or not the mean of the population is significantly different from 48.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by gjjjjjdkkkkk3k3k33k on Mar 25, 2023

Karla347

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Reply #1 on: Mar 25, 2023
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gjjjjjdkkkkk3k3k33k

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Reply 2 on: Mar 25, 2023
Great answer, keep it coming :)

alvinum

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Reply 3 on: Yesterday
Wow, this really help

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