Engineering, 28.04.2021 05:40 arianasg06

In the past Algebra classes, records show that the average score of the students in mid- term exam was computed to be equal to 83.5 with a standard deviation of 4.82. If there are 50 students in a particular class, then assuming normality of the distribution, how many of the students are expected to have a mid-term score of a ) above 83.52 b) below 70? c)above 90? d)between 75 - 85?

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