An eighth grade class rolls a number cube 50 times. The number cube has sides
labeled 1 through 6. The table shows the results. Find the relative frequency for roll
a number less than 4."
Number Cubes

Outcome 1 2 3 4 5 6

Frequency 6 4 8 12 10 10

Number of Trials 50

The relative frequency for "roll a number less than 4" is

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?