The scores obtained by 3,500 examinees in an entrance examination for admission in a certain university are approximately normally distributed with a mean of 77% and a standard deviation of 7%. Find the probability and the number of students who obtained scores

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.

Solve -3 (r + 5) = -9 enter ur answer in the box x = __