Mathematics, 18.03.2021 19:50 pam93
Your friend found a die sitting on the shelf in statistics class. He started to roll it and suspects that it might be
a trick die. In 120 rolls, the number "one" has come up only 10 times. You suspect that the calculator is
producing fewer ones than it should. Let p = the true long-run proportion of ones. Which of the following is
the approximate P-value for this test?
A. -2.45
B. 0.0072
C. 0.0833
D. 0.1667
E. 0.9928
Answers: 3
Mathematics, 21.06.2019 14:00
Which product is positive a is 2/5 -8/9 -1/3 -2/7 b is -2/5 8/9 -1/3 -2/7 c is 2/5 8/9 1/3 -2/7 d is -2/5 -8/9 1/3 2/7
Answers: 2
Mathematics, 21.06.2019 20:00
Simplify (2^5/3^2)^4 a. 2^20/3^8 b. 2^9/3^8 c. 8^5/12^2 d. 2/3^2
Answers: 1
Mathematics, 21.06.2019 20:30
Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?
Answers: 1
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