Estimate a 15% tip on a dinner bill of $59.73 by first rounding the bill amount to the nearest ten dollars. Estimated tips:

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?

Yvaries directly as x. y =90 when x=6. find y when x=13

What is the mean of the data set 125, 141, 213, 155, 281