Jack is a farmer and he wants to know the mean weight of all the potatoes in a sack. he randomly selects 10 potatoes and weighs them. their weights, to the nearest ounce are 5, 8, 9, 11, 7, 7, 8, 9, 12, and 7. what is the best estimate of the mean weight of all the potatoes in the sack? round to the nearest ounce.

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

Which point is a solution to the inequality shown in this graph (-3,-3)(3,-1)

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets