The probability of a dry summer is equal to 0.2, the probability of a wet summer is equal to 0.3, and the probability of a summer with normal precipitation is equal to 0.5. A climatologist observed the precipitation during four consecutive summers.' a). Enumerate the sample space, and assign probabilities to each elementary event; b). What is the probability of observing t

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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The probability of a dry summer is equal to 0.2, the probability of a wet summer is equal to 0.3, and the probability of a summer with normal precipitation is equal to 0.5. A climatologist observed the precipitation during four consecutive summers.'

a). Enumerate the sample space, and assign probabilities to each elementary event;

b). What is the probability of observing two dry summers?

c). What is the probability of observing at least two dry summers?

d). What is the probability of not observing a wet summer?

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