Reconsider the paint-drying situation of Example 8.5, in which drying time for a test specimen is normally distributed with . The hypotheses : versus : are to be tested using a random sample of observations.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319