After hearing of the national result that 44% of students engage in binge drinking (5 dri a sitting for men, 4 for women), a professor surveyed a rand

shadsiei

shadsiei

Answered question

2020-10-21

After hearing of the national result that 44% of students engage in binge drinking (5 dri
a sitting for men, 4 for women), a professor surveyed a random sample of 244 students at his college and found that 96 of them admitted to binge drinking in the past week. Should he be surprised at this result? Explain.

Answer & Explanation

SchepperJ

SchepperJ

Skilled2020-10-22Added 96 answers

p=0.44 
q=10.44=0.56 
μ=p=0.44 
σ=pqn=0.440.56244=0.032 
proportion of students found binge drinking =96244=0.39 
We shouldn't be surprised because the found proportion is only 1.56 standard deviations from the expected. Result: No

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