Betty sold 27 out of the 90 quilts she made what percent of her quilts did betty sell

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Solve this problem! extra ! 3025/5.5 = a/90.75

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great