Mathematics, 04.12.2019 00:31 fluffy37
Scores on a recent national statistics exam were normallydistributed with a mean of 80 and a standard deviation of 6.a) what is the probability that a randomly selected examwill have a score of at least 71? b) what percentage of exams will have scores between 89and 92? c) if the top 2.5% of test scores receive merit awards, what is the lowest score eligible for an award? d) if there were 334 exams with scores of at least 89,how many students took the exam?
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Mathematics, 21.06.2019 17:50
The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle
Answers: 1
Mathematics, 21.06.2019 19:10
Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15
Answers: 1
Mathematics, 21.06.2019 20:30
Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.
Answers: 1
Mathematics, 21.06.2019 21:50
Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.
Answers: 3
Scores on a recent national statistics exam were normallydistributed with a mean of 80 and a standar...
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