"Trydint" bubble-gum company claims that 4 out of 10 people prefer their gum to "Eklypse". Test their claim that it is different at the 95 confidence level.The null and alternative hypothesis in symbols would be:The null hypothesis in words would be: The average of people that prefer Trydint gum is not 0.4.The proportion of all people that prefer Trydint gum is 0.4The proportion of all people that prefer Trydint gum is greater than 0.4.The proportion of people in a sample that prefers Trydint gum is 0.4.The proportion of all people that prefer Trydint gum is less than 0.4.The average of people that prefer Trydint gum is 0.4.The proportion of people in a sample that prefer Trydint gum is not 0.4Based on a sample of 330 people, 119 said they prefer "Trydint" gum to "Eklypse".The point estimate is: (to 4 decimal places)The 95 % confidence interval is: to (to 4 decimal places)Based on this we:Fail to reject the null hypothesisReject the null hypothesis

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Answered: "Trydint" bubble-gum company claims…

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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"Trydint" bubble-gum company claims that 4 out of 10 people prefer their gum to "Eklypse". Test their claim that it is different at the 95 confidence level.

The null and alternative hypothesis in symbols would be:

The null hypothesis in words would be:

The average of people that prefer Trydint gum is not 0.4.
The proportion of all people that prefer Trydint gum is 0.4
The proportion of all people that prefer Trydint gum is greater than 0.4.
The proportion of people in a sample that prefers Trydint gum is 0.4.
The proportion of all people that prefer Trydint gum is less than 0.4.
The average of people that prefer Trydint gum is 0.4.
The proportion of people in a sample that prefer Trydint gum is not 0.4
Based on a sample of 330 people, 119 said they prefer "Trydint" gum to "Eklypse".

The point estimate is: (to 4 decimal places)

The 95 % confidence interval is: to (to 4 decimal places)

Based on this we:
- Fail to reject the null hypothesis
- Reject the null hypothesis