Mathematics, 11.07.2019 11:30 jonmorton159
Ajar contains 10 red, 6 white, and 2 blue marbles. (a) if three marbles are randomly drawn from the jar with replacement what is the probability of drawing a red, white, and blue marble in any order?
Answers: 1
Mathematics, 22.06.2019 04:30
The survey of study habits and attitudes (ssha) is a psychological test that measures the motivation, attitude toward school, and study habits of students, scores range from 0 to 200. the mean score for u.s. college students is about 115, and the standard deviation is about 30. a teacher who suspects that older students have better attitudes toward school gives the ssha to 55 students who are at least 30 years of age. the mean score is 113.2. assume the population standard deviation is 30 for older students what is the margin of error for a 95% confidence interval for the population mean score for a. older students? b. compute the 95% confidence interval for the population mean score for older students. c. compute the 99% confidence interval for the population mean score for older students. d. compute the 88% confidence interval for the population mean score for older students.
Answers: 3
Mathematics, 22.06.2019 06:30
Did i do these question right? if not explain why it’s wrong?
Answers: 2
Mathematics, 22.06.2019 07:00
There were 32 volunteers to donate blood. unfortunately, nn of the volunteers did not meet the health requirements, so they couldn't donate. the rest of the volunteers donated 470 milliliters each.
Answers: 1
Ajar contains 10 red, 6 white, and 2 blue marbles. (a) if three marbles are randomly drawn from the...
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