A 10% markup of every toy in the toy store is 110% of the original price of each item . If p represents the original price , write an algebraic expression that can be used to determine the final price including the markup .

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.