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
Mathematics, 21.06.2019 16:00
The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles
Answers: 3
Mathematics, 21.06.2019 16:30
Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation
Answers: 3
Mathematics, 21.06.2019 18:20
What is the solution set of the quadratic inequality x^2-5< or equal to 0
Answers: 1
Mathematics, 21.06.2019 18:30
Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.
Answers: 1
Assume a middle school has 1500 students. During the first nine weeks, 350 students received A's, 47...
Physics, 24.07.2019 00:30
History, 24.07.2019 00:30
History, 24.07.2019 00:30
Biology, 24.07.2019 00:30
Spanish, 24.07.2019 00:30