A spinner has 20 equally sized sections, 8 of which are yellow and 12 of which are blue. The spinner is spun and, at the same time, a fair coin is tossed. What is the probability that the spinner lands on blue and the coin is tails?

Question

Kenyon Zhang

Mathematics

9 May, 18:38

A spinner has 20 equally sized sections, 8 of which are yellow and 12 of which are blue. The spinner is spun and, at the same time, a fair coin is tossed. What is the probability that the spinner lands on blue and the coin is tails?

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Answers (2)

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Elodie · Answer 1

3/10.

Step-by-step explanation:

Probability (A blue on the spinner) = 12/20 = 3/5.

Probability (tails) = 1/2.

The probability of a blue and tails = 3/5 * 1/2

= 3/10.

Miriam Hines · Answer 2

3/10

Step-by-step explanation:

These two events are independent, so the overall probability is the product of the individual probabilities.

12 blue sections out of 20

p (blue) = 12/20 = 3/5

There is an equal probability of the coin landing on heads or tails.

p (tails) = 1/2

p (blue & tails) = 3/5 * 1/2 = 3/10