Mathematics, 13.10.2019 23:30 weirdojuwin
Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6. a. what is the probability that a randomly selected exam will have a score of at least 71? b. what percentage of exams will have scores between 89 and 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? e. what is the median of the population of the recent national statistics exam?
Answers: 1
Mathematics, 21.06.2019 18:30
The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?
Answers: 1
Mathematics, 21.06.2019 18:30
Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)
Answers: 1
Mathematics, 21.06.2019 19:00
[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?
Answers: 1
Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standa...
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