Store a is selling a video for 20% off the store’s regular price of $25.95. store b is selling the same video for 30% off the store’s regular price of $29.50. which store’s sale price is lower and by how much lower is the price?

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%