The water company in Enterprise found that 70% of its customers pay their monthly bill in full. Assuming customers pay independently, suppose 2 customers are chosen at random from a list of all the customers. What is the probability that both customers will pay their monthly bill in full? 

Calculate the mode of the following data (note, data are the same for questions 1, 2, and 3)  18, 10, 15, 13, 17, 15, 12 ,15, 18, 16, 11

The measure of central tendency that is least affected by extreme values is the:

The heights of women in the USA are normally distributed with a population mean of 64.5 inches and a population standard of 2.5 inches. What is the probability that a woman randomly selected from the population will be taller than 65 inches?

The pre-cooked weight of hamburgers at Krusty Burger is normally distributed with a population mean of 5.5 ounces and standard deviation of 0.15 ounces. If you walk into Krusty Burger and order a burger, what is the probability that the pre-cooked weight of the burger you just ordered is less than 5.3 ounces?

A survey of hotel guests in Alabama found that 20% of all guests were highly satisfied with their stay. If we take a random sample of 15 guests, what is the probability that at least 10 of the 15 will say they were highly satisfied? 

Given that x is a hypergeometric random variable with population size (N) = 10, sample size (n) = 5, and number of successes in the population (s) = 7, find P(X=3).

If a standard, six-sided die is tossed three times, the probability of obtaining three “6s” in a row is:

In a continuous probability distribution, the probability that any random variable will take on an exact value:

The graph of a function       . At which point is the following true (choose A, B, C, D, or E)?         is zero and       is negative.       is positive and       is negative.