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9. In a normal distribution 31% of the items are under 45 and 8% are over 64. Find the mean and standard deviation of the
9. In a normal distribution 31% of the items are under 45 and 8% are over 64. Find the mean and standard deviation of the distribution? 10. Salesman is known to sell a product in 3 out of 5 attempts while another salesman in 2 out of 5 attempts. Find the probability that (a) No sale will be effected when both try to sell the product; (b) Either of them will succeed in selling the product
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Probability and Stochastic Processes A Friendly Introduction for Electrical and Computer Engineers
Authors: Roy D. Yates, David J. Goodman
3rd edition
1118324560, 978-1118324561
