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You may have heard that bears cannot run very quickly downhill. According to many popular websites, this is a myth. To investigate, a wildlife researcher selects a random sample of 35 bears and gets them to individually run down a large hill by presenting a fish feast at the bottom of the hill. As they run he measures their speed in order to compute a confidence interval for the true mean downhill running speed for all bears. Are the conditions for calculating a confidence interval for μ met in this case? Explain. No. The Random condition is met, but the Normal/Large Sample condition is not met. Yes! Both the Random and Normal/Large Sample conditions are met. We do not have enough information provided to determine if both of the conditions are met. No. The Normal/Large Sample condition is met. but the Random condition is not met.

You may have heard that bears cannot run very quickly downhill. According to many popular websites, this is a myth. To investigate, a wildlife researcher selects a random sample of 35 bears and gets them to individually run down a large hill by presenting a fish feast at the bottom of the hill. As they run he measures their speed in order to compute a confidence interval for the true mean downhill running speed for all bears. Are the conditions for calculating a confidence interval for μ met in this case? Explain. No. The Random condition is met, but the Normal/Large Sample condition is not met. Yes! Both the Random and Normal/Large Sample conditions are met. We do not have enough information provided to determine if both of the conditions are met. No. The Normal/Large Sample condition is met. but the Random condition is not met.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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You may have heard that bears cannot run very quickly downhill. According to many popular websites, this is a myth. To investigate, a wildlife researcher selects a random sample of 35 bears and gets them to individually run down a large hill by presenting a fish feast at the bottom of the hill. As they run he measures their speed in order to compute a confidence interval for the true mean downhill running speed for all bears. Are the conditions for calculating a confidence interval for u met in this case? Explain. No. The Random condition is met, but the Normal/Large Sample condition is not met. Yes! Both the Random and Normal/Large Sample conditions are met. We do not have enough information provided to determine if both of the conditions are met. No. The Normal/Large Sample condition is met, but the Random condition is not met. No. The Random condition is not met and the Normal/Large Sample condition is not met.
Transcribed Image Text:You may have heard that bears cannot run very quickly downhill. According to many popular websites, this is a myth. To investigate, a wildlife researcher selects a random sample of 35 bears and gets them to individually run down a large hill by presenting a fish feast at the bottom of the hill. As they run he measures their speed in order to compute a confidence interval for the true mean downhill running speed for all bears. Are the conditions for calculating a confidence interval for u met in this case? Explain. No. The Random condition is met, but the Normal/Large Sample condition is not met. Yes! Both the Random and Normal/Large Sample conditions are met. We do not have enough information provided to determine if both of the conditions are met. No. The Normal/Large Sample condition is met, but the Random condition is not met. No. The Random condition is not met and the Normal/Large Sample condition is not met.
Expert Solution
Step 1

Calculating a confidence interval must satisfy the following two conditions

1. Only random samples are drawn.

2. The sample size is greater than or equal to 30.

 

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