steve reaches into a bag with 5 marbles and 3 yellow marbles 2 green marbles and randomly selects one then he puts the marble back and sam reaches into the same bag and randomly selects a marble is this independent or dependent

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?