An investment firm claims and advertises an average 35% return on investment. A study of 30 clients had an average return of 33% with a standard deviation of 8%.

What is the z-value?

Type your answer into the box as a decimal rounded to the nearest hundredth.

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?