This lesson includes 27 additional questions and 259 additional question variations for subscribers.

# Lesson Worksheet: Operations on Events Mathematics

In this worksheet, we will practice finding the probabilities of the intersection and union of events.

**Q2: **

Suppose and are events such that . Determine .

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- B
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- D

**Q4: **

Denote by and two events with probabilities and . Given that , find .

**Q5: **

A spinner has 10 equal sections labeled from 1 to 10. Determine the probability of the pointer landing on 4 or 7.

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- B
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- D

**Q8: **

Suppose that and are two events. Given that ,, and , find .

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- B
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- D

**Q9: **

Suppose and are two events. Given that and , find .

**Q10: **

Suppose that and are two events. Given that , , and , determine .