Mathematics, 16.04.2020 23:34 jmolina57
A chemical supply company currently has in stock 100lb of a certain chemical, which it sells to customers in 5-lb lots. Let X = the number of lots ordered by a randomly chosen customer, and suppose that X has pmf x 1 2 3 4 P(x) .2 .3 .3 .2 Compute E(X) and V(X). Then compute the expected number of pounds left after the next customer’s order is shipped, and the variance of the number of pounds left. (Hint: The number of pounds left is a linear function of X.)
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Mathematics, 21.06.2019 19:30, Animallover100
Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.
Answers: 1
Mathematics, 21.06.2019 21:30, bryantfoster
Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?
Answers: 1
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