The probability distribution for the daily sales at Michael's Co. is given below. Daily Sales
(In $1,000s) Probability
40 x
50 0.4
60 y
70 0.2

If the expected value is $56,000 solve for x and y.

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655