IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Out of a randomly selected 600 people from the population, how many of them
would have an IQ higher than 78, to the nearest whole number?

Find the x-intercept and y-intercept of the line. 3x + 5y = −15

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

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.