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In a recent survey, 35% indicated chocolate was their favorite flavor of ice cream. Suppose we select a sample of nine people and ask them
In a recent survey, 35% indicated chocolate was their favorite flavor of ice cream. Suppose we select a sample of nine people and ask them to name their favorite flavor of ice cream. (a) How many of those in the sample would you expect to name chocolate? (Round answer to 2 decimal places) Expected number of people = (b) What is the probability exactly six of those in the sample name chocolate? (Round answer to 4 decimal places) Probability (c) What is the probability that six or more name chocolate? (Round answer to 4 decimal places) ProbabilityQuestion 11 Not yet answered Marked out of 12 P Flag question An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of 2 emails per hour. Assume the arrival of these emails is approximated by the Poisson distribution. (a) What is the probability Linda Lahey, company president, received exactly 5 emails between 4 P.M. and 5 P.M. yesterday? (Round answer to 4 decimal places) Probability = (b) What is the probability she received 7 or more emails during the same period? (Round answer to 4 decimal places) Probability = (c) What is the probability she did not receive any emails during the period? (Round answer to 4 decimal places) Probability=Let A and B be events such that P(A) = 1 . P(B) = = and P(A U B) = a) Find P(A| B) Select the answer from (A) 12 Answer: b) Find P(A| B') Select an answer from 12 AnswerA variable X is governed by the Binomial distribution with p=0.6 n=5 Calculate the likelihood that X=5 (use 4 dp) Choose... Calculate the likelihood that X 1 (use 4dp) Choose... Question 13 Not yet answered Marked out of 10 Flag question The following sample observations were randomly selected. X 3 9 3 6 a) Determine the value of the PMCC r = (round to 2 dp accuracy) b) Find the Least squares Regression line (round to 2 dp accuracy) y = a + bx c) Determine the Coefficient of Determination to (round to 2dp accuracy) r =
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