The body lengths of deer mice are known to vary approximately normally, with mean 86 mm and standard deviation 8 mm. A research group is interested whether vitamin supplements will increase deer mouse body length. They select a random sample of 100 deer mice from the population of all deer mice that would ever receive vitamin supplements and observe their body lengths. Suppose the sample mean is calculated as 87.2 mm. Let u be the mean body length of deer mice who receive vitamin supplements. Provide the null and alternative hypotheses most appropriate for this situation. A. Ho: H = 86 vs. Ha: µ> 86 B. Họ: H = 87.2 vs. Ha: µ< 87.2 O C. Ho: u= 86 vs. Ha: H< 86 D. Ho: u = 87.2 vs. Ha: H +87.2 E. Ho: u =87.2 vs. Ha: u> 87.2 Reset Selection

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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A Show Time Remaining A
The body lengths of deer mice are known to vary approximately normally, with mean 86 mm and
standard deviation 8 mm. A research group is interested whether vitamin supplements will
increase deer mouse body length. They select a random sample of 100 deer mice from the
population of all deer mice that would ever receive vitamin supplements and observe their body
lengths.
Suppose the sample mean is calculated as 87.2 mm. Let u be the mean body length of deer mice
who receive vitamin supplements. Provide the null and alternative hypotheses most appropriate
for this situation.
O A. Ho: H = 86
vs. Ha: P> 86
B. Họ: H = 87.2 vs. Hạ: µ< 87.2
O C. Ho: u = 86
vs. Ha: µ< 86
O D. Ho: µ = 87.2 vs. Ha: µ +87.2
E. Ho: µ = 87.2 vs. Ha: u> 87.2
Reset Selection
Transcribed Image Text:A Show Time Remaining A The body lengths of deer mice are known to vary approximately normally, with mean 86 mm and standard deviation 8 mm. A research group is interested whether vitamin supplements will increase deer mouse body length. They select a random sample of 100 deer mice from the population of all deer mice that would ever receive vitamin supplements and observe their body lengths. Suppose the sample mean is calculated as 87.2 mm. Let u be the mean body length of deer mice who receive vitamin supplements. Provide the null and alternative hypotheses most appropriate for this situation. O A. Ho: H = 86 vs. Ha: P> 86 B. Họ: H = 87.2 vs. Hạ: µ< 87.2 O C. Ho: u = 86 vs. Ha: µ< 86 O D. Ho: µ = 87.2 vs. Ha: µ +87.2 E. Ho: µ = 87.2 vs. Ha: u> 87.2 Reset Selection
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