no. 2 Given that E(X) =.,find:a)the values of the constants a and b.the variance of X.the expected value and standard deviation for Y, where Y =- 5X + 4.SELECTED EXERCISE 8A manufacturer knows that on the average_12% of the radios produced require repairswithin 1 year after they are sold. When 20 radios are randomly selected, find the1.probability that at most two of them will require repairs within 1 year after they are sold.2.An insurance company finds that each week an average of 5 claims are filed in theirShah Alam branch. What is the probability that during the next week:e (a)exactly 3 claims will be filed?(b)no claims will be filed?at least 3 claims will be filed?EART abee g(c)3. At a certain shopping mall, 55% of the customers make payments through credit2 cards. For a random sample of 20 customers, find the probability that the number ofcredit cards is between 7 and 10.

Name: no. 2 Given that E(X) =.,find:a)the values of the constants a and b.th
Uploaded: 2024-03-20T07:06:41.000Z
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Description: no. 2 Given that E(X) =.,find:a)the values of the constants a and b.the variance of X.the expected value and standard deviation for Y, where Y =- 5X + 4.SELECTED EXERCISE 8A manufacturer knows that on the average_12% of the radios produced require re