Mathematics, 29.04.2021 14:00 jakhunter354
It is expected that over the next 10 years, the speed of personal computers will double every 18 month. Calculate how much faster the speed of personal computers will be in 6 years time compared to now.
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Mathematics, 21.06.2019 13:40
What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12
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Mathematics, 21.06.2019 18:40
Which statements regarding efg are true? check all that apply.
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Mathematics, 21.06.2019 22:30
Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.
Answers: 2
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
It is expected that over the next 10 years, the speed of personal computers will double every 18 mon...
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