Mathematics, 20.01.2021 23:40 KaleahV
A car moving on a highway covers the first 400.0 m in 18.0s and then covers the next 250.0 m in 24.0 s. What is the average speed of the car?
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The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether
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To which set of numbers does the number β5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers
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If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r
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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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A car moving on a highway covers the first 400.0 m in 18.0s and then covers the next 250.0 m in 24.0...
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