Mathematics, 19.10.2019 05:30, underswap25
As reported in "runner's world" magazine, the times of the finishers in the new york city 10 km run are normally distributed with a mean of 61 minutes and a standard deviation of 9 minutes. let x denote finishing time for the finishers. a) the distribution of the variable x has mean and standard deviation .b) the distribution of the standardized variable z has mean and standard deviation ) the percentage of finishers with times between 50 and 70 minutes is equal to the area under the standard normal curve between and ) the percentage of finishers with times exceeding 81 minutes is equal to the area under the standard normal curve that lies to the of .
Answers: 2
Mathematics, 22.06.2019 00:00, lazymarshmallow7
50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13
Answers: 1
Mathematics, 22.06.2019 00:30, ashled7789
Which number can each term of the equation be multiplied by to eliminate the decimals before solving? 5.6j- 0.12=4+1.1j
Answers: 3
As reported in "runner's world" magazine, the times of the finishers in the new york city 10 km run...
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