Question: 1 2. Round all probabilities to decimal places and all others to 2 decimal places. 1) Consider the probability distribution * 00:15 1025 20.30 30.15

Round all probabilities to decimal places and all others to 2 decimal places. 1) Consider the probability distribution * 00:15 1025 20.30 30.15 4005 (a) Find the expected value. (h) Find the standard deviation 2) 2) Suppose that a large lot of electrical parts contains 9,5% defectives. A sample of 20 parts is tested (a) what is the probability that exactly 2 were defective? (b) what is the probability that more than one were defective? 3) A real estate agent serves a mean of two customers a day. Using the Poisson distribution, find the following probabilities, (a) Find the probability that on a randomly selected day, the agent serves at least one customers. (b) Find the probability that the angent serves exactly 3 customers during the next two days

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