Mathematics, 18.02.2021 02:40 holycow7868
How many whole numbers "n" satisfy the inequality shown ? 1/9<1/sqroot of n<1/7
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Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t
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What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3
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In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.
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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
How many whole numbers "n" satisfy the inequality shown ? 1/9<1/sqroot of n<1/7...
Computers and Technology, 15.11.2019 17:31