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1.
What is the probability that an odd number will come up when two dice are thrown?
2.
What is the probability that, when two dice are thrown, neither die is a 5?
3.
A drawer contains four green socks, five blue socks, three red socks, and four black socks. What is the probability that a randomly selected sock will be green?
4.
A closet contains eight white shirts, three blue shirts, and five black shirts. What is the probability that a randomly selected shirt will not be black?
5.
In a group of 500 children, 218 are at least five years old. What is the probability that a child chosen at random is not at least five years old?
6.
In a group of 25 teenagers, 12 enjoy playing sports. What is the probability that a teenager chosen at random enjoys playing sports?
7.
In a factory producing light bulbs, a random sampling of 100 light bulbs showed that 7 were defective. In a sampling of 1,800 light bulbs, how many may be expected to be defective?
8.
In a warehouse of widgets, a random sampling of 200 widgets showed that 11 were defective. In a sampling of how many widgets may there be expected to be 121 defective widgets?