Answered: It is claimed that 75% of puppies are…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

It is claimed that 75% of puppies are house-trained by the time they are 6 months old. To investigate this claim, a random sample of 50 puppies is selected. It is discovered that 42 are house-trained by the time they are 6 months old. A trainer would like to know if the data provide convincing evidence that greater than 75% of puppies are house-trained by the time they are 6 months old. The standardized test statistic is z = 1.47 and the P-value is 0.0708. What conclusion should be made using the = 0.05 significance level?

Because the P-value is greater than = 0.05, there is convincing evidence that 75% of puppies are house-trained by the time they are 6 months old.

Because the P-value is greater than = 0.05, there is not convincing evidence that 75% of puppies are house-trained by the time they are 6 months old.

Because the P-value is greater than = 0.05, there is convincing evidence that greater than 75% of puppies are house-trained by the time they are 6 months old.

Because the P-value is greater than = 0.05, there is not convincing evidence that greater than 75% of puppies are house-trained by the time they are 6 months old.

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