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Mathematics, 11.03.2021 21:50 afloareiandrei8615
Mr. Hynes buys a large variety bag of Hershey chocolates to give out for Valentine’s Day. The bag of chocolates costs $8.00 and the tax rate is 8%. After checking out, the cashier gives Mr. Hynes a $1.50 rebate for his bag of chocolates. How much will the bag of chocolates cost Mr. Hynes if he sends in the rebate?
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Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2
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Mathematics, 21.06.2019 23:30, bbby2
Aprisoner is trapped in a cell containing three doors. the first door leads to a tunnel that returns him to his cell after two days of travel. the second leads to a tunnel that returns him to his cell after three days of travel. the third door leads immediately to freedom. (a) assuming that the prisoner will always select doors 1, 2 and 3 with probabili- ties 0.5,0.3,0.2 (respectively), what is the expected number of days until he reaches freedom? (b) assuming that the prisoner is always equally likely to choose among those doors that he has not used, what is the expected number of days until he reaches freedom? (in this version, if the prisoner initially tries door 1, for example, then when he returns to the cell, he will now select only from doors 2 and 3.) (c) for parts (a) and (b), find the variance of the number of days until the prisoner reaches freedom. hint for part (b): define ni to be the number of additional days the prisoner spends after initially choosing door i and returning to his cell.
Answers: 1
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Mr. Hynes buys a large variety bag of Hershey chocolates to give out for Valentine’s Day. The bag of...
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