Doughnuts are sold in bags and cartons.
A bag hold 4 doughnuts and a carton hold 10 doughnuts.
Tom buys B bags of doughnuts and C carton of doughnuts.
He buys a total of T doughnuts.

Write down a formula for T in terms of B and C

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.