Question

Intermediate Statistics In a study of the accuracy of fast food drive through orders, one restaurant...

Intermediate Statistics

In a study of the accuracy of fast food drive through orders, one restaurant had 34 orders that were not accurate among 388 orders observed. Use a 0.05 significance level to test the claim that the rate of inaccurate orders is equal to 10%..

1. Does the accuracy rate appear to be acceptable? what is the conclusion of this hypothesis test.

2. What is the null and alternative hypothesis for this test?

3.  

Homework Answers

Answer #1

The null and alternate hypothesis are:

The test statistic value is given by:

Since this is a two-tailed test, so the p-value is given by:

Since p-value is greater than 0.05, so we do not have sufficient evidence to reject the null hypothesis
H0.

Thus we can say that

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