Three companies A, B and C supply 25%, 35% and 40% of the books to a...

 

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Three companies A, B and C supply 25%, 35% and 40% of the books to a school. Past experience shows that 5%, 4% and 2% of the books supplied by these companies contains typos errors. If a book was found to contain typos errors, what is the probability that the notebook was supplied by A? Select one: O a. 0.3623 O b.0.5417 O c. 0.4583 O d. 0.6377 Question 19 Find the expected value of the function g(X) = X where X is a random variable defined by the density fy(x) = (1/2)u(x)e-x/3) Not yet answered Select one: Marked out of O a. 243 1.00 O b. 48 P Flag question O c. 162 O d. none of these Three companies A, B and C supply 25%, 35% and 40% of the books to a school. Past experience shows that 5%, 4% and 2% of the books supplied by these companies contains typos errors. If a book was found to contain typos errors, what is the probability that the notebook was supplied by A? Select one: O a. 0.3623 O b.0.5417 O c. 0.4583 O d. 0.6377 Question 19 Find the expected value of the function g(X) = X where X is a random variable defined by the density fy(x) = (1/2)u(x)e-x/3) Not yet answered Select one: Marked out of O a. 243 1.00 O b. 48 P Flag question O c. 162 O d. none of these