# Question: Determine the probability of exactly four successes for a random

Determine the probability of exactly four successes for a random variable with a Poisson distribution with parameter λ = 2.4.

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Determine the probability of more than 7 successes for a random variable with a Poisson distribution with parameter λ = 4.4. A customer service center in India receives, on average, 4.2 telephone calls per minute. If the distribution of calls is Poisson, what is the probability of receiving at least 3 calls during a particular minute? Compute the probability of 7 successes in a random sample of size n = 14 obtained from a population of size N = 30 that contains 15 successes. Consider the joint probability distribution: a. Compute the marginal probability distributions for X and Y. b. Compute the covariance and correlation for X and Y. A market researcher wants to determine whether a new model of a personal computer that had been advertised on a late-night talk show had achieved more brand-name recognition among people who watched the show regularly than ...Post your question