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(CORRECT ANSWER) MATH225N Week 8 Final Exam : An economist claims that the proportion of people who plan to purchase a fully electric vehicle as their next car is greater than 65%.

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QUESTION 10

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>0.65

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:

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

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

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