Mathematics, 23.04.2020 16:35 SmokyWolves607
According to the Pew Research Center 55% of Americans now log into Zoom everyday. You will collect a random sample of 100 LMC students to estimate the proportion of LMC students who use Zoom everyday. Suppose that in the sample of LMC students 48% are Zooming every day. Find the 95% confidence interval for the proportion of all LMC students who Zoom daily.
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Mathematics, 21.06.2019 16:20
Which math sentence can be used to determine if the triangle is a right triangle?
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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.
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Mathematics, 22.06.2019 00:00
Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?
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According to the Pew Research Center 55% of Americans now log into Zoom everyday. You will collect a...
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