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Transcript
Name___________________________________
1. Suppose a single card is selected from a standard 52- card deck. What is the probability that the
card drawn is a Jack?
a) Now suppose a single card is drawn from a standard 52- card deck, but we are told that
the card is a spade. What is the probability that the card drawn is a jack?
2. According to the U. S. National Center for Health Statistics, in 2008, 3.34% of deaths in the
United States were 25- to 34- year- olds whose cause of death was a car accident. In addition,
5.97% of all those who died were 25 to 34 years old. What is the probability that a randomly
selected death is the result of a car accident if the individual is known to have been 25 to 34
years old?
3. According to the U. S Census Bureau, 22.1% of U. S. households are in the Midwest. In addition,
3.7% of U. S. households earn $100,000 per year or more and are located in the Midwest.
Determine the probability that a randomly selected U. S. household earns more than $ 100,000
per year, given that the household is located in the Midwest.
4.
What is the probability that a randomly selected individual from the study who died from cancer
never drank?
5. A bag of 30 shirts purchased from a retail store contains 12 white shirts, 14 black shirts, and 4
Hawaiian shirts.
( a) What is the probability that three randomly selected shirts are white?
( b) What is the probability that the first shirt selected is black and the second white?
( c) What is the probability that the first shirt selected is Hawaiian and the second is white?
6.
You have 10 coins in a bag, 4 quarters, 3 dimes, and 3 pennies. Find the probability of drawing
a quarter, a dime, and then a quarter in that order.