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Probability
Math

 Name _____________________________ Date ___________________
Probability
Find the number of possible choices when you choose one item from each category.
 1 5 cars, 3 colors
 2 * This is a pre-made sheet.Use the link at the top of the page for a printable page.
 3 11 flavors of ice cream, 2 cones

Find the probability. Write your answer as a fraction in simplest form.
 1 A number from 12 to 19 is drawn at random.P(an even number).
 2 A jar contains 7 purple, 12 red, and 14 yellow marbles. A marble is drawn at random.P(purple or yellow).

Find the probability. Write your answer as a decimal rounded to the nearest hundredth.
 1 A jar contains 26 green and 24 navy marbles. A marble is drawn at random.P(green).
 2 You roll a number cube numbered from 1 to 6.P(a number divisible by 4).

Find the probability. Write your answer as a percent rounded to the nearest whole percent.
 1 You roll a number cube numbered from 1 to 6.P(a composite number).
 2 A number from 13 to 22 is drawn at random.P(a number divisible by 2).

 Key #2
Find the probability.
 1 A number from 9 to 18 is drawn at random.P(not a 18)Express the probability as a percent. Round to the nearest percent.
 2 You roll a number cube numbered from 1 to 6.P(1)Express the probability as a fraction.

Find the probability. Assume that the spinner is separated into equal sections.
 1 You roll a number cube numbered from 1 to 6.You then spin a spinner with 7 sections each with a different color. The spinner has the colors green, brown, navy, yellow, purple, white, and gray.P(4 and brown)
 2 You roll a cube which has the numbers 4, 7, 10, 12, 12, and 16 on it. You then spin a spinner which has 7 sections. The letters on the spinner are D, C, B, J, H, G, and J.P(B and a prime number)

Find the probability.
 1 A deck of cards has 5 yellow, 6 red, and 4 green cards. You pick 4 cards from the deck. Cards are not returned to the deck after they are picked.P(four red cards in a row)
 2 There are 6 purple, 6 navy, 4 violet, and 5 brown marbles in a hat. You pick 2 marbles from the hat. Marbles are not returned after they have been drawn.P(the first marble is violet and the second marble is navy)

Find the probability. Assume that the spinner is separated into equal sections.
 1 You roll a cube which has the numbers 4, 7, 8, 9, 10, and 12 on it. You then spin a spinner which has 8 sections. The letters on the spinner are J, H, E, G, F, B, C, and K.P(B and 10)
 2 There are 5 red, 6 brown, and 4 purple marbles in a hat. You pick 2 marbles from the hat. Marbles are returned after they have been drawn.P(the first marble is purple and the second marble is brown)

 Key #2
Complete.
 1 How many combinations of three letters are possible from the letters N, X, E, and Y?
 2 There are 6 things in a hat. How many ways can you pick 2 things from the hat at once?

Complete.
 1 How many ways can a president and vice-president be selected in a class of twenty-five students?
 2 How many five digit numbers can you make by arranging the numbers 6, 2, 8, 4, and 7?

Complete.
 1 James, Daniel, David, and Hailey ran in a race. In how many different orders can they finish the race?
 2 How many permutations can you make from the letters H, B, and F?

Sample
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