Forecasting Sales The probability that a shopper in a certain boutique will buy a blouse is .35 , that she will buy a pair of pants is .30 , and that she will buy a skirt is .27 . The probability that she will buy both a blouse and a skirt is .15 . the probability that she will buy both a skirt and a pair of pants is .19 , and the probability that she will buy both a blouse and a pair of pants is .12 . Finally the probability that she will buy all three items is .08 . What is the probability that a customer selected at random will buy: a. Exactly one of these items? b. None of these items?
Forecasting Sales The probability that a shopper in a certain boutique will buy a blouse is .35 , that she will buy a pair of pants is .30 , and that she will buy a skirt is .27 . The probability that she will buy both a blouse and a skirt is .15 . the probability that she will buy both a skirt and a pair of pants is .19 , and the probability that she will buy both a blouse and a pair of pants is .12 . Finally the probability that she will buy all three items is .08 . What is the probability that a customer selected at random will buy: a. Exactly one of these items? b. None of these items?
Solution Summary: The Venn diagram shows the probability that the selected customer will buy exactly one of these items.
Forecasting Sales The probability that a shopper in a certain boutique will buy a blouse is
.35
, that she will buy a pair of pants is
.30
, and that she will buy a skirt is
.27
. The probability that she will buy both a blouse and a skirt is
.15
. the probability that she will buy both a skirt and a pair of pants is
.19
, and the probability that she will buy both a blouse and a pair of pants is
.12
. Finally the probability that she will buy all three items is
.08
. What is the probability that a customer selected at random will buy:
At a local college, for sections of economics are taught during the day and two sections are taught at night. 70 percent of the day sections are taught by full time faculty. 20 percent of the evening sections are taught by full time faculty. If Jane has a part time teacher for her economics course, what is the probability that she is taking a night class?
No chatgpt pls will upvote
No chatgpt pls will upvote
Chapter 7 Solutions
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