An economist claims that the proportion of people who plan to purchase a fully electric vehicle as their next car is greater than 65%. To test this claim, a random sample of 750 people are asked if...

1 answer below »



An economist claims that the proportion of people who plan to purchase a fully electric vehicle as their next car is greater than 65%.


To test this claim, a random sample of 750 people are asked if they plan to purchase a fully electric vehicle as their next car   Of these 750 people, 513 indicate that they do plan to purchase an electric vehicle.


The following is the setup for this hypothesis test:



H0:p=0.65



Ha:p<>


In this example, the p-value was determined to be 0.026.


Come to a conclusion and interpret the results for this hypothesis test for a proportion (use a significance level of 5%.)








Select the correct answer below:










A. The decision is to reject the Null Hypothesis.
The conclusion is that there is enough evidence to support the claim.







B. The decision is to fail to reject the Null Hypothesis.
The conclusion is that there is not enough evidence to support the claim.








Answered 87 days AfterJun 02, 2022

Answer To: An economist claims that the proportion of people who plan to purchase a fully electric vehicle as...

Sultana answered on Aug 29 2022
58 Votes
Solution
Given that
H0: p = 0.65
Ha: p < 0.65
Significance level = 5% = 0.05
p-value = 0.026
D
ecision: Since the p-value is less than the significance level. So, we reject the null hypothesis
Therefore, the correct answer is
A. The decision is to reject the Null Hypothesis.
The conclusion...
SOLUTION.PDF

Answer To This Question Is Available To Download

Related Questions & Answers

More Questions »

Submit New Assignment

Copy and Paste Your Assignment Here