Answered: an reported. To see if her hope is…

Name: A wedding website states that the average cost of a wedding is $25,549
Uploaded: 2024-03-05T11:52:21.000Z
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Description: A wedding website states that the average cost of a wedding is $25,549. One concerned bride hopes that the average is less than reported. To see if her hope is correct, she surveys 60 recently married couples and finds that the average cost of weddin

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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A wedding website states that the average cost of a wedding is $25,549. One concerned bride hopes that the average is less than reported. To see if her hope is correct, she surveys 60 recently married couples and finds that the average cost of weddings in the sample was $24,342. Assuming that the population standard deviation is $5054, is there sufficient evidence to support the bride’s hope at the 0.01 level of significance?

Step 3 of 3: Draw a conclusion and interpret the decision.

1. We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.01 level of significance to support the brides's hope that the mean of the cost of a wedding businesses is less than $25,549.

2. . We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.01 level of significance to support the brides's hope that the mean of the cost of a wedding businesses is less than $25,549.

3. We reject the null hypothesis and conclude that there is insufficient evidence at a 0.01 level of significance to support the brides's hope that the mean of the cost of a wedding businesses is less than $25,549.

4. We reject the null hypothesis and conclude that there is sufficient evidence at a 0.01 level of significance to support the brides's hope that the mean of the cost of a wedding businesses is less than $25,549.

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