3. The probability of a radar station detecting an enemy plane is 0.45. If 12 stations are in usea. What is the probability of 3 stations detecting an enemy plane?.092b. What is the expected number of stations that will detect an enemy plane?c. What is the standard deviation?d. What is the probability that the number of stations that detect a plane is no more than 3?

n=12, p=0.45 Formula used(nx)=n!x!(n−x)!So, x!=x(x-1)(x-2)×...×3×2×1

Answered: 3. The probability of a radar station…

A First Course in Probability (10th Edition)

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Chapter1: Combinatorial Analysis

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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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3. The probability of a radar station detecting an enemy plane is 0.45. If 12 stations are in use a. What is the probability of 3 stations detecting an enemy plane? .092 b. What is the expected number of stations that will detect an enemy plane? C. What is the standard deviation?