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Question 4 to 7 refer to Table 1 below. A bank is interested in knowing how many years its clients stay with it. Let x

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Question 4 to 7 refer to Table 1 below. A bank is interested in knowing how many years its clients stay with it. Let x be the number of years that a client will stay with the bank and the maximum number of years that the client can stay with the bank is 6. Over the years, the bank has established the following probability distribution: Table 1 X 1 2 3 4 5 6 P(X=X) 0.3 0.35 0.25 ? 0.03 0.02 Question 4 The probability that a client stays 4 years with the bank is A. 0.95 B. 0.05 C. 0.90 D. 0.25 continued ... BEA140-Data Analysis for Business Question 5 The probability that a client stays with the bank less than 3 years is A. 0.25 B. 0.65 C. 0.35 D. 1.5 Question 6 The value for the mean number of years that clients stay with the bank is A. 2.22 B. 0.25 3.30 D. 5.00 Question 7 The value for the standard deviation number of years that clients stay with the bank is A. 1.713 B. 1.292 C. 1.812 D. 1.136

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