Question
A survey of shopping habits found the percentage of respondents that use technology for shopping as shown in the figure to the right. Forexample, 17.81%
A survey of shopping habits found the percentage of respondents that use technology for shopping as shown in the figure to the right. Forexample, 17.81% only use onlinecoupons; 21.02% use online coupons and check prices online beforeshopping, and so on. Use the figure to complete parts a through g.
A diagram contains three overlapping circles labeled as follows: use online coupons, check prices online before shopping, and use a smartphone to save money. Each of the 7 sections created by the 3 overlapping circles is labeled with a percentage as follows, where any of the three circles that compose the section are listed first, followed by the labeled percentage: coupons, 17.81; prices, 4.43; phone, 4.43; coupons, prices, 21.02; coupons, phone, 4.43; prices, phone, 4.43; coupons, prices, phone, 17.81.
a. What is the probability that a shopper will check prices online beforeshopping?
The probability is
(Round to four decimal places asneeded.)
b. What is the probability that a shopper will use a smartphone to savemoney?
The probability is
(Round to four decimal places asneeded.)
c. What is the probability that a shopper will use onlinecoupons?
The probability is
(Round to four decimal places asneeded.)
d. What is the probability that a shopper will not use any of thesetechnologies?
The probability is
(Round to four decimal places asneeded.)
e. What is the probability that a shopper will check prices online and use online coupons but not use a smartphone?
The probability is
(Round to four decimal places asneeded.)
f. If a shopper checks pricesonline, what is the probability that he or she will use a smartphone?
The probability is
(Round to four decimal places asneeded.)
g. What is the probability that a shopper will check prices online but not use online coupons or a smartphone?
The probability is
(Round to four decimal places asneeded.)
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