Tomorrow you have an exam that consists of 10 questions. If a question is hard, you can answer it correctly with probability 0.01. If the question is easy, you can answer it correctly with probability 0.9. The probability that the question is hard is 0.85. Find the Probability of answering a question correctly.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Tomorrow you have an exam that consists of 10
questions. If a question is hard, you can answer it
correctly with probability 0.01. If the question is
easy, you can answer it correctly with probability 0.9.
The probability that the question is hard is 0.85. Find
the Probability of answering a question correctly.
a. 0.3964
b. 0.1435
c. 0.8356
d. 0.7732
e. 0.2564
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Transcribed Image Text:Question 5 Not yet answered Marked out of 2.00 Flag question Tomorrow you have an exam that consists of 10 questions. If a question is hard, you can answer it correctly with probability 0.01. If the question is easy, you can answer it correctly with probability 0.9. The probability that the question is hard is 0.85. Find the Probability of answering a question correctly. a. 0.3964 b. 0.1435 c. 0.8356 d. 0.7732 e. 0.2564 Next page Quiz navigation 1. 3. 4 6. 8. 9. 10 11 12 13 14 15 21
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