1. Suppose a random variable, x, arises from a binomial experiment. If n=22, and p = 0.85, find the following probabilities using the binomial formula. Show calculator command used. a. (2 pts) P(x = 18) = b. (2 pts) P(x < 3) = c. (2 pts) P(x> 20) =

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Chapter1: Combinatorial Analysis
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Here is the image attatched... I wasn't sure whether this fit under statistics or probability because I am currently in a statistics class doing probability! I am having trouble understand this so the work to see how it was done is greatly appreciated. 

1. Suppose a random variable, x, arises from a binomial experiment. If n=22, and p = 0.85, find the following
probabilities using the binomial formula. Show calculator command used.
a. (2 pts) P(x = 18) =
b. (2 pts) P(x < 3) =
c. (2 pts) P(x> 20) =
Transcribed Image Text:1. Suppose a random variable, x, arises from a binomial experiment. If n=22, and p = 0.85, find the following probabilities using the binomial formula. Show calculator command used. a. (2 pts) P(x = 18) = b. (2 pts) P(x < 3) = c. (2 pts) P(x> 20) =
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