Mathematics, 20.05.2020 22:04 kataldaine
On a math test given to 20 students, the average was an 82 and the highest score was a 93. Five students scored
below a 70. Which of the following statements must be true?
1. The median is greater than 70
2. The range is greater than 23
3. At least 10 students scored above an 82
A. 1 only
B. 2 only
C. 1 and 2 only
D. 1 and 3 only
E. 1,2 and 3
Answers: 3
Mathematics, 21.06.2019 15:10
Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left
Answers: 1
Mathematics, 21.06.2019 21:30
80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent
Answers: 2
Mathematics, 21.06.2019 22:00
The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample
Answers: 1
On a math test given to 20 students, the average was an 82 and the highest score was a 93. Five stud...
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