Missy bought 3 umbrellas and 5 hats 27.00. each umbrella coats the same amount. each has costs the same amount. the price of a hat is $3.00. what is the cost of 1 umbrella?

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

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

At 6 1/2 cents per pound of string beans how much does 7 pounds cost