Mathematics, 14.09.2021 17:20 connermichaela
Which of the following is NOT a true statement? Please help!!!
A. The solution to a compound linear inequality involving the word “and” is the intersection of the solutions to each inequality.
B. A compound linear inequality involving the word “and” must always have a solution. In other words, the solution is never the empty set.
C. The solution to a compound linear inequality involving the word “or” is the union of the solutions to each inequality.
Answers: 2
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Mathematics, 21.06.2019 23:30
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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Which of the following is NOT a true statement? Please help!!!
A. The solution to a compound linea...
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