EDGE Math 8

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Result

Choose your answer to each question.

1.	In selecting a card from an ordinary deck of playing cards, what is the probability of drawing a king?

\frac{1}{11}

\frac{1}{13}

\frac{4}{13}

\frac{2}{23}

Answer: $\frac{1}{13}$

2.	In tossing two coins, what is the probability of obtaining at least one tail?

\frac{3}{4}

\frac{3}{8}

\frac{4}{3}

\frac{1}{3}

Answer: $\frac{3}{4}$

3.	If two dice are tossed, what is the probability of obtaining a sum of 8?

\frac{5}{12}

\frac{5}{36}

\frac{1}{4}

\frac{5}{6}

Answer: $\frac{5}{36}$

4.	In a family with three children, what is the probability that the family has exactly one son?

\frac{1}{3}

\frac{3}{16}

\frac{6}{8}

\frac{3}{8}

Answer: $\frac{3}{8}$

5.	A roulette wheel is numbered from 1 to 30. What is the probability of getting a number less than 10?

\frac{15}{9}

\frac{9}{10}

\frac{3}{10}

\frac{3}{30}

Answer: $\frac{3}{10}$

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