Mathematics, 24.07.2019 05:30 lilloser
Ateacher would like to estimate the percentage of her students who play chess. which method should the teacher use to select the sample? use a computer to randomly select 30 student ids from all her students. select all students who are currently in the chess club. select every other student in her classes until she has selected a total of 30 students. use a computer to randomly select 30 student ids from all students.
Answers: 2
Mathematics, 21.06.2019 22:00
Find two numbers if their sum is 91 and the ratio is 6: 7?
Answers: 1
Mathematics, 22.06.2019 01:00
Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?
Answers: 1
Mathematics, 22.06.2019 02:00
Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is
Answers: 2
Ateacher would like to estimate the percentage of her students who play chess. which method should t...
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