What's the probability of drawing a red card, putting the card to the side (not replacing it), and then drawing a black card? Write your answer as a decimal rounded to the nearest thousandth.

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

What is the interquartile range (iqr) of the data set represented by this box plot?

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?