Suppose that X is the number of cars per minute that pass through a certain intersection, and that X has the poisson distribution. If the mean of X is equal to 9 cars, what is the variance of X?

Find the area of the triangle with 12, 15, and 105°

Ann thought of a number N, multiplied it by 5 and added 7. Then she told the result R to Jim. A Find the domain and the range of this function. Ann thought of a number N, multiplied it by 5 and added 7. Then she told the result R to Jim.

Number of years since 2000 % of men earning $50,000 - $74,999 % of women earning $50,000 - $74,999 2 20.1 13.0 3 20.2 13.3 4 20.5 14.2 5 20.7 15.1 Source: U. S.

Jamal has the following choices for his pizza: white sauce or red sauce, white cheese or yellow cheese, mushrooms, pepperoni or sausage. What is the probability that he creates a pizza that has red sauce and white cheese?

The perimeter of a rectangle is 156 feet the length is 22 feet what is the width

Find two consecutive positive integers such that the sum of their squares is 421

How to find number of solutions for absolute value equations?

What is the basic ratio for 5:15

When negative five is subtracted from a number he result is 10

Put the rational numbers correctly in order from least to greatest. -0.48, - 0.47, - 0.46, - 0.45