Agroup of seventh and eighth graders were asked whether they prefer reading fiction or nonfiction.

this table shows the relative frequencies of the rows for the two-way table representing this situation.

select from the drop-down menus to complete the statement.

the percent of seventh graders surveyed who prefer fiction is the percent of eighth graders surveyed who prefer fiction.

a. greater than
b. less than
c. equal to

The sum of two numbers is 86, and their difference is 20. find the two numbers

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.

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?