Mathematics, 27.11.2019 07:31 Tymere2011
1.) a multiple choice test has 7 questions each of which has 4 possible answers, only one of which is correct. if judy, who forgot to study for the test, guesses on all questions, what is the probability that she will answer 3 or more questions correctly?
0.311
0.0156
0.244
0.756
2.) in a survey of 300 college graduates, 63% reported that they entered a profession closely related to their college major. if 9 of those survey subjects are randomly selected without replacement for a follow-up survey, what is the probability that 4 or fewer of them entered a profession closely related to their college major?
0.149
0.0512
0.793
0.207
Answers: 3
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1.) a multiple choice test has 7 questions each of which has 4 possible answers, only one of which i...
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