Mathematics, 02.09.2021 04:50 nyahdrake
Assume that the mathematics scores on the SAT are normally distributed with a mean of 600 and a standard deviation of 50. What percent of students who took the test have a mathematics score between 572 and 624?
Answers: 3
Mathematics, 21.06.2019 18:50
Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.
Answers: 2
Mathematics, 21.06.2019 21:00
The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.
Answers: 1
Assume that the mathematics scores on the SAT are normally distributed with a mean of 600 and a stan...
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