Let X be the random variable representing the number of calls received in an hour by a 911 emergency service. A probability distribution of X is given below. Value of X 0 1 2 3 4 Probability P(x) 0.34 ____ ____ 0.14 0.04 (a) Suppose the probability that X = 1 and the probability that X = 2 are the same. What are these probabilities?(b) What is the probability that at least one call received in an hour?(c) What is the expected number of 911 calls in an hour?

Let X be the random variable representing the number of calls received in an hour by a 911 emergency service. A probability distribution of X is given below. Value of X 0 1 2 3 4 Probability P(x) 0.34...

Let X be the random variable representing the number of calls received in an hour by a 911 emergency service. A probability distribution of X is given below.

Value of X	0	1	2	3	4
Probability P(x)	0.34	____	____	0.14	0.04

(a) Suppose the probability that X = 1 and the probability that X = 2 are the same. What are these probabilities?
(b) What is the probability that at least one call received in an hour?
(c) What is the expected number of 911 calls in an hour?

Jun 08, 2022

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Let X be the random variable representing the number of calls received in an hour by a 911 emergency service. A probability distribution of X is given below. Value of X 0 1 2 3 4 Probability P(x) 0.34...

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