Probability basics and sample spaces Quiz

1. A fair die is rolled. What is the probability of rolling a number greater than 4?

• A. $\frac{1}{3}$
• B. $\frac{1}{6}$
• C. $\frac{2}{3}$
• D. $\frac{1}{2}$

2. The probability that it rains tomorrow is 0.35. What is the probability that it does not rain?

• A. $0.35$
• B. $0.75$
• C. $0.65$
• D. $1.35$

3. How many outcomes are in the sample space when a coin is flipped three times?

• A. $6$
• B. $8$
• C. $3$
• D. $9$

4. Which pair of events is mutually exclusive when a die is rolled?

• A. An even number and a prime number
• B. A number greater than 2 and an odd number
• C. A square number and a multiple of 3
• D. An even number and an odd number

5. A spinner has sections red, blue and green. P(red) = 0.3 and P(blue) = 0.45. What is P(green)?

• A. $0.25$
• B. $0.75$
• C. $0.15$
• D. $0.35$