A penny is altered so that the odds are 3 to 2 against it coming up tails when tossed; a nickel is altered so that the odds are 4 to 3 against it coming up tails when tossed. If both coins are tossed; what are the odds of both coins coming up heads?

A penny is altered so that the odds are 3 to 2 against it coming up tails when tossed; a nickel is altered so that the odds are 4 to 3 against it coming up tails when tossed. If both coins are tossed; what are the odds of both coins coming up heads?

Above is the stem-and-leaf display for a group of test scores. Which of the following scores would come closest to being at the 70th percentile?

Above is the stem-and-leaf display for a group of test scores. Which of the following scores would come closest to being at the 70th percentile?

What is the mean of: ?

What is the mean of: ?

Determine the interquartile range of the following numbers:

42, 51, 62, 47, 38, 50, 54, 43

Determine the interquartile range of the following numbers:

42, 51, 62, 47, 38, 50, 54, 43

The interquartile range is the difference in value between the upper quartile and lower quartile.

Find the interquartile range of the following data set:

The interquartile range is the difference in value between the upper quartile and lower quartile.

Find the interquartile range of the following data set: