A local pizza store knows the mean amount of time it takes them to deliver an order is 45 minutes ar

Brookee85

Brookee85

Answered question

2022-03-02

A local pizza store knows the mean amount of time it takes them to deliver an order is 45 minutes arter the order is placed. The manager has a new system for processing delivery orders, and they want to test ifit changes the mean delivery time. They take a sample of delivery orders and find their mean delivery time is 48 minutes.
Let μ represent the mean delivery time under the new system.
What are appropriate hypotheses for their signifhcance test?
a)H0:μ= 45 minutes
Ha:μ 45 minutes
b)H0:μ =45 minutes
Ha:μ 48 minutes
c)H0:μ p= 48 minutes
Ha:μ 45 minutes
d)H0:μ = 48 minutes
Ha:μ 48 minutes

Answer & Explanation

Pooja Copeland

Pooja Copeland

Beginner2022-03-03Added 8 answers

Given that the pizza store knows the mean=μ=45 minutes
But the test using a sample suggests mean= 48 45
So the appropriate hypothesis for their significance test is:
H0:μ=45 minutes
Ha:μ 45 minutes
Answer: A

Do you have a similar question?

Recalculate according to your conditions!

New Questions in College Statistics

Ask your question.
Get an expert answer.

Let our experts help you. Answer in as fast as 15 minutes.

Didn't find what you were looking for?