The mean age of a dance troupe is 14.2 years. a 7-year-old sibling is invited to join the troupe. how does the sibling’s age affect the mean? a. the new mean age will be 10.6 years. b. the new mean age will be greater than 14.2 years. c. the new mean age will be less than 14.2 years. d. the new mean age will still be 14.2 years.

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

43lbs of tomatos cost $387. how much would 41lbs cost

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?