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1. The following probability distribution represents the number of people living

May 27, 2020 | Business

May 27, 2020 | Business

1. The following probability distribution represents the number of people living

1. The following probability distribution represents the number of people living in a Household (X), and theprobability of occurrence (P(X)). Compute the Expected Value (mean), the Variance and the StandardDeviation for this random variable.X 1 2 3 4 5 6 7P(X) .23 .34 .19 .12 .08 .02 .022. Use the binomial formula to compute the probability of a student getting 4 correct answers on a 8question Quiz, if the probability of answering any one question correctly is 0.80. SHOW YOUR WORK.3. Submit your answers to the following binomial questions. You may use the appendix tables 5 to answerparts a and b. According to a government study,15% of all children live in a household that has an incomebelow the poverty level. If a random sample of 15 children is selected:a) what is the probability that 5 or more live in poverty?b) what is the probability that 2 live in poverty?c) what is the expected number (mean) that live in poverty?

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