Calculate the above probabilities for both sample sizes. (round intermediate calculations to 4 decimal places, "z" value to 2 decimal places, and final answer to 4 decimal places.)

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?

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit