A movie company is surveying people about their favorite type of movie. Which of the following is a random sample?
a.
all students who go to the movies
b.
teenagers waiting online at the movie theater
c.
100 names randomly selected from the phone book
d.
people leaving a movie theater

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

Of four points are collinear, they are also coplanar

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p