Kurt conducted a survey to find the favorite type of music of his classmates from 4 choices. The table shows his results.
Music
Number of Students
Rock
7
Hip-Hop
9
Country
5
Pop
11
Determine whether each statement about the data is true or false.
Twice as many students preder hip-hop and country than prefer rock
O True
O False

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Cor d? ? 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.