Acoffee shop surveyed three groups of 5 customers to find out how many cups of coffee the customers drink in one day. the table shows the results of the three samples.

identify any surveys that are likely biased. based on the unbiased surveys, estimate the mean number of cups of coffee the customers drink in one day.

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

During a wright loss challenge your friend goes from 125 pounds to 100 pounds. what was the percent weight loss