Question
In: Statistics and Probability
A recent study reported that monthly consumption of beer in is 1.7 gallons per person. A...
A recent study reported that monthly consumption of beer in is 1.7 gallons per person. A random sample of 36 adults was selected. Using a standard deviation of 0.5 gallons per month per person, what is the probability that the sample mean was between 1.6 and 1.8 gallons per month per person?
A. 0.5596
B. 0.9082
C. 0.4960
D. 0.7698
Solutions
Expert Solution
The probability is calculated by Z score as the sample size is 36>30
Z at 1.6
and Z at 1.8
Hence
The probability is calculated usind table shown below
=0.8849-0.1151
D. =0.7698
orchestra answered 2 years agoRelated Solutions
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