1. Ivy and Romer took a mechanical pre-board exam conducted by College of Engineering and Architecture...
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1. Ivy and Romer took a mechanical pre-board exam conducted by College of Engineering and Architecture of BISU. Assume that the exam has 20 items and the two of them are not very well prepared for the test and they answer the questions randomly. Find the probability that they both have 5 correct answers. ■2. The probability that a particular backhoe used by a construction company owned by Julius Castro breaks down in any day is 0.20 and is independent of the breakdowns on any other day. The machine can only break down once a day. Calculate the probability that the machine breaks down two or more times in 10 days. 1. Ivy and Romer took a mechanical pre-board exam conducted by College of Engineering and Architecture of BISU. Assume that the exam has 20 items and the two of them are not very well prepared for the test and they answer the questions randomly. Find the probability that they both have 5 correct answers. ■2. The probability that a particular backhoe used by a construction company owned by Julius Castro breaks down in any day is 0.20 and is independent of the breakdowns on any other day. The machine can only break down once a day. Calculate the probability that the machine breaks down two or more times in 10 days.
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Question 1 The probability that Ivy and Romer both have 5 correct answers on a preboard exam with 20 ... View the full answer
Related Book For
Introductory Statistics For The Behavioral Sciences
ISBN: 9780470907764
7th Edition
Authors: Joan Welkowitz, Barry H. Cohen, R. Brooke Lea
Posted Date:
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