The number of peanuts in bags of the same size is normally distributed with a mean of 115 peanuts and a standard deviation of 4 peanuts. There are 50 bags of peanuts on a shelf.

About how many bags of peanuts are expected to have between 111 peanuts and 119 peanuts?

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?