Mathematics, 30.07.2019 14:30, natalie2sheffield
One class of 75 students has an average midterm score of 67 and an sd of 12. another class of 325 students has an average of 72 and an sd of 15. find the average and the sd of the combined list of 400 students. hint: this uses the sd of a long list formula. one class of 75 students has an average midterm score of 67 and an sd of 12. another class of 325 students has an average of 72 and an sd of 15. find the average and the sd of the combined list of 400 students. hint: this uses the sd of a long list formula.
Answers: 1
Mathematics, 21.06.2019 20:00, triggernugget05
Afootball is throw by a quarterback to a receiver
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Mathematics, 21.06.2019 23:00, ManBun99
Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?
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Mathematics, 22.06.2019 00:00, destinywashere101
Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?
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One class of 75 students has an average midterm score of 67 and an sd of 12. another class of 325 st...
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