Mathematics, 25.03.2021 17:30 meganwintergirl
At a middle school students in seventh grade want to conduct a survey on the most popular type of pet for students in the grade. The students want to make a generalization based on a sample
Which describes how the sample should be chosen?
A: It must be non-random
B: It must be representative
C: It must be selected by a student not in seventh grade
D: It must be selected to include students from each grade of the middle school.
Answers: 2
Mathematics, 21.06.2019 17:00
100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance
Answers: 2
Mathematics, 21.06.2019 22:00
How many ordered pairs of positive integers satisfy xy=32?
Answers: 1
Mathematics, 22.06.2019 03:50
The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?
Answers: 2
At a middle school students in seventh grade want to conduct a survey on the most popular type of pe...
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