Mathematics, 31.07.2019 18:10 naomicervero
For 100 births, p(exactly 55 girls)equals0.0485 and p(55 or more girls)equals0.184. is 55 girls in 100 births a significantly high number of girls? which probability is relevant to answering that question? consider a number of girls to be significantly high if the appropriate probability is 0.05 or less
Answers: 2
Mathematics, 21.06.2019 19:00
Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?
Answers: 3
For 100 births, p(exactly 55 girls)equals0.0485 and p(55 or more girls)equals0.184. is 55 girls in 1...
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