Mathematics, 15.04.2021 01:20, sharri44
If there are 19 questions and each question has 4 answers, what is the probability she will answer at least one question correctly?
Answers: 1
Mathematics, 21.06.2019 18:30, jacksonhoyt8049
Can someone me do math because i am having a breakdown rn because i donβt get it
Answers: 1
Mathematics, 21.06.2019 19:00, ale1910
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
If there are 19 questions and each question has 4 answers, what is the probability she will answer a...
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