Aquadratic equation in form ax2 + bx + c = 0 cannot have: a. one real solution. b. one imaginary solution. c. two real solutions. d, two imaginary solutions.

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64