Addition Rule and Conditional Practice

Using the spinner, what is the probability of spinning purple or green?

• $\frac{1}{6}$

• $\frac{1}{3}$

• $\frac{2}{3}$

• $\frac{5}{6}$

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CCSS.7.SP.C.5

The outcomes for rolling two number cubes numbered 1 through 6 are shown above. What is the probability the sum of the number cubes will be 7 or 4?

• $\frac{1}{12}$

• $\frac{1}{6}$

• $\frac{1}{4}$

• $\frac{11}{36}$

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Thirty-two percent of families residing in a rural, farming town own a goat and 41% of families own a dog. Twenty-four percent of families own both types of animals. If a family from this town is chosen at random, what is the probability that it owns either a goat or a dog?

• 0.15

• 0.33

• 0.49

• 0.97

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

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A seven-sided number cube with sides numbered 1, 2, 3, 4, 5, 6, 7 is rolled. What is the probability that a 4 or an odd number is rolled?

• $\frac{4}{49}$

• $\frac{2}{7}$

• $\frac{3}{7}$

• $\frac{5}{7}$

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

If P(A) = 0.24, P(B) = 0.41, and P(A and B) = 0.18, what is P(A or B)?

• 0.17

• 0.47

• 0.59

• 0.65

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

If you are picking a card randomly from a deck of cards, the events of picking a jack and picking a heart are mutually exclusive.

• True

• False

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CCSS.7.SP.C.5

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When rolling a single die, the events of rolling an even number and rolling a ‘5’ are mutually exclusive.

• True

• False

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

When rolling a single die, the events of rolling an odd number and rolling a prime are mutually exclusive.

• True

• False

Tags

CCSS.7.SP.C.5

Which of the following shows how to determine P(shaded number or number less than five)?

• 4/8 + 4/8 - 2/8
• 4/9 + 2/8 - 4/8
• 4/8 + 6/8 + 2/8
• 2/8 + 4/8 - 4/8

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Which of the following shows how to determine P(diamond or face card)?

• 13/52 + 12/52 - 3/52
• 3/52 + 13/52 -12/52
• 3/52 + 12/52 - 13/52
• 1/13 + 3/52 - 1/4

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8