It currently takes users a mean of 5 minutes to install the most popular computer program made by RodeTech, a software design company. After changes have been made to the program, the company executives want to know if the new mean is now different from 5 minutes so that they can change their advertising accordingly. A simple random sample of 46 new customers are asked to time how long it takes for them to install the software. The sample mean is 4.7 minutes with a standard deviation of 1.1 minutes. Perform a hypothesis test at the 0.10 ievel of significance to see if the mean installation time has changed. Step 3 of 3: Draw a conclusion and interpret the decision. Answer Tables Keypad Keyboard Shortcuts We reject the null hypothesis and conclude that there is insufficient evidence at a 0.10 level of significance that the new mean installation time is different from 5 minutes and that RodeTech may need to change their advertising. We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.10 level of significance that the new mean installation time is different from 5 minutes and that RodeTech may need to change their advertising. We reject the null hypothesis and conclude that there is sufficient evidence at a 0.10 level of significance that the new mean installation time is different from 5 minutes and that RodeTech may need to change their advertising. We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.10 level of significance that the new mean installation time is different from 5 O minutes and that RodeTech may need to change their advertising.
It currently takes users a mean of 5 minutes to install the most popular computer program made by RodeTech, a software design company. After changes have been made to the program, the company executives want to know if the new mean is now different from 5 minutes so that they can change their advertising accordingly. A simple random sample of 46 new customers are asked to time how long it takes for them to install the software. The sample mean is 4.7 minutes with a standard deviation of 1.1 minutes. Perform a hypothesis test at the 0.10 ievel of significance to see if the mean installation time has changed. Step 3 of 3: Draw a conclusion and interpret the decision. Answer Tables Keypad Keyboard Shortcuts We reject the null hypothesis and conclude that there is insufficient evidence at a 0.10 level of significance that the new mean installation time is different from 5 minutes and that RodeTech may need to change their advertising. We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.10 level of significance that the new mean installation time is different from 5 minutes and that RodeTech may need to change their advertising. We reject the null hypothesis and conclude that there is sufficient evidence at a 0.10 level of significance that the new mean installation time is different from 5 minutes and that RodeTech may need to change their advertising. We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.10 level of significance that the new mean installation time is different from 5 O minutes and that RodeTech may need to change their advertising.
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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Transcribed Image Text:It currently takes users a mean of 5 minutes to install the most popular computer program made by RodeTech, a software design company. After changes have been
made to the program, the company executives want to know if the new mean is now different from 5 minutes so that they can change their advertising accordingly. A
simple random sample of 46 new customers are asked to time how long it takes for them to install the software. The sample mean is 4.7 minutes with a standard
deviation of 1.1 minutes. Perform a hypothesis test at the 0.10 level of significance to see if the mean installation time has changed.
Step 3 of 3: Draw a conclusion and interpret the decision.
E Tables
E Keypad
Answer
Keyboard Shortcuts
We reject the null hypothesis and conclude that there is insufficient evidence at a 0.10 level of significance that the new mean installation time is different from 5
minutes and that RodeTech may need to change their advertising.
We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.10 level of significance that the new mean installation time is different from 5
minutes and that RodeTech may need to change their advertising.
We reject the null hypothesis and conclude that there is sufficient evidence at a 0.10 level of significance that the new mean installation time is different from 5 minutes
and that RodeTech may need to change their advertising.
We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.10 level of significance that the new mean installation time is different from 5
minutes and that RodeTech may need to change their advertising.
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