Although many people think they can put a meal on the table in a short period of time, an article reported that they end up spending about 40 minutes doing so. Suppose another study is conducted to test the validity of this statement. A sample of 25 people is randomly selected, and the length of time to prepare and cook dinner (in minutes) is recorded. The following are the data gathered: 44.0, 51.9, 49.7, 40.0, 55.5, 33.0, 43.4, 41.3, 45.2, 40.7, 41.1, 49.1, 30.9, 45.2, 55.3, 52.1, 55.1, 38.8, 43.1, 39.2, 58.6, 49.8, 43.2, 47.9, 46.6 Is there evidence that the population mean time to prepare and cook dinner is significantly different from 40 minutes? Perform a hypothesis test using a 0.05 level of significance.

Although many people think they can put a meal on the table in a short period of time, an article reported that they end up spending about 40 minutes doing so. Suppose another study is conducted to test the validity of this statement. A sample of 25 people is randomly selected, and the length of time to prepare and cook dinner (in minutes) is recorded. The following are the data gathered: 44.0, 51.9, 49.7, 40.0, 55.5, 33.0, 43.4, 41.3, 45.2, 40.7, 41.1, 49.1, 30.9, 45.2, 55.3, 52.1, 55.1, 38.8, 43.1, 39.2, 58.6, 49.8, 43.2, 47.9, 46.6 Is there evidence that the population mean time to prepare and cook dinner is significantly different from 40 minutes? Perform a hypothesis test using a 0.05 level of significance.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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