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Probability Distribution is as follows:​xf(x)​100.2​200.3​300.4​400.1 The expected value of x equals _____.

Forty percent of all registered voters in a national election are female. A random sample of 5 voters is selected. The probability that the sample contains 2 female voters is _____.

If P(A) = 0.62, P(B) = 0.47, and P(A ∪ B) = 0.88, then P(A ∩ B) =

A graphical method of representing the sample points of a multiple-step experiment is a(n) _____.

Starting salaries of a sample of 5 management majors along with their genders are shown below. EmployeeSalary ($1000s)Gender  160F  256M  344F  452F  538M ​a.What is the point estimate for the starting salaries of all management majors?b.Determine the point estimate for the variance of the population.c.Determine the point estimate for the proportion of male employees.

Bivariate probabilities are often called _____.

The probability distribution for the daily sales at Michael’s Co. is given below.​Daily Sales ($1000s)Probability​400.1​500.4​600.3​700.2 The expected daily sales are _____.

The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces. What is the random variable in this experiment?

Consider a population of 5 families with the following data representing the number of pets in each family. FamilyNumber of Pets  A2  B6  C4  D3  E1 ​a.There are 10 possible samples of size 2 (sampling without replacement). List the 10 possible samples of size 2, and determine the mean of each sample. b.Determine the mean and the variance of the population.c.Using the 10 sample mean values, compute the mean and the standard error of the mean.​​

A numerical measure from a sample, such as a sample mean, is known as _____.