Question Help da a set ndudes 103 b temperature of all healthy humans. What does

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Question Help da a set ndudes 103 b temperature of all healthy humans. What does the sample suggest about the use of 98 6°F as the mean body temperature? temperatures of health adult o mans having a mean 98 and a standard deviation of 64 F Construct a 99% confidence interval estimate of the mean body pag What is the confidence interval estimate of the population mean ?? Round to three decimal places as needed) What does this suggest about the use of 98 6 as the mean body temperature? O A. O B. This suggests that the mean body temperature could be higher than 98 ° C. This suggests that the mean body temperature could be lower than 98 60F This suggests that the mean body temperature could very possibly be 986F .6 F Click to select your answer(s)

Explanation / Answer

Ans:

Given that

n=108

sample mean=98.2

sample standard deviation=0.64

99% confidence interval estimate for true mean

=98.2+/-2.576*(0.64/sqrt(108))

=98.2+/-0.159

=(98.041, 98.359)

(if t interval is used,then t*=2.623 and CI will be (98.038, 98.362),but normal distributed can be used as n>=30)

Option C is correct.(this suggests that mean body temp. could be lower than 98.6,as upper limit is lower than 98.6)

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