07 A-IC Identifying an Error

A student solved the problem below by first dividing 20

by 10. What mistake did the student make?

A baseball team has won 20 games and lost 10 games.

What percent of the games did the team win?

Me 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.