The PEW Research Institute recently conducted a survey of adult Americans regarding Internet shopping. The survey found
Question:
The PEW Research Institute recently conducted a survey of adult Americans regarding Internet shopping. The survey found that 15% of the respondents made a retail purchase on the Internet last week. A retailer wished to verify this claim. In a random sample of 16 adults:
a. What is the likelihood that exactly three adults make an Internet purchase during a week?
b. Of the 16 adults, how many are expected to make a purchase during a week?
c. What is the likelihood that three or less of the 16 adults make an Internet purchase during a week?
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a b 24 found by 015...View the full answer
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Related Book For 
Statistical Techniques In Business And Economics
ISBN: 9781260239478
18th Edition
Authors: Douglas Lind, William Marchal, Samuel Wathen
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