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In a school, the probability of a student wearing spectacles is found to be 0.75. The principal selects a random group of 12 students. Calculate (a) the probability that all 12 students wear spectacles (b) the probability that 10 or more students wear spectacles (c) the conditional probability that all 12 students wear spectacles, given that at least 10 students wear spectacles

In a school, the probability of a student wearing spectacles is found to be 0.75. The principal selects a random group of 12 students. Calculate (a) the probability that all 12 students wear spectacles (b) the probability that 10 or more students wear spectacles (c) the conditional probability that all 12 students wear spectacles, given that at least 10 students wear spectacles

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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In a school, the probability of a student wearing spectacles is found to be 0.75. The
principal selects a random group of 12 students. Calculate
(a) the probability that all 12 students wear spectacles
(b) the probability that 10 or more students wear spectacles
(c) the conditional probability that all 12 students wear spectacles, given that at least
10 students wear spectacles

 

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