Mathematics, 19.05.2021 19:30 krystenlitten
Assume a middle school has 1500 students. During the first nine weeks, 350 students received A's, 475 student received B's, 375 students received C's, 125 students received D's, and 175 students received F's.
1. If you took a sample of 200 students, how many B's would you expect to have in the sample?
A. 23 B's
B. 47 B's
C. 63 B's
D. 153 B's
2. If you took a sample of 200 students, how many D's would you expect to have in the sample?
A. 17 D's
B. 25 D's
C. 47 D's
D. 75 D's
3. If you took a sample of 300 students, how many B's would you expect to have in the sample?
A. 63 B's
B. 75 B's
C. 95 B's
D. 175 B's
Answers: 3
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Assume a middle school has 1500 students. During the first nine weeks, 350 students received A's, 47...
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