SOLUTION: A spinner has 20 equally sized sections, 8 of which are green and 12 of which are red. The spinner is spun and, at the same time, a fair coin is tossed. What is the probability tha

Algebra ->  Probability-and-statistics -> SOLUTION: A spinner has 20 equally sized sections, 8 of which are green and 12 of which are red. The spinner is spun and, at the same time, a fair coin is tossed. What is the probability tha      Log On


   

Question 583770: A spinner has 20 equally sized sections, 8 of which are green and 12 of which are red. The spinner is spun and, at the same time, a fair coin is tossed. What is the probability that the spinner lands on red and the coin toss is tails?

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
P(Red AND Tails) = P(Red)*P(Tails)

P(Red AND Tails) = (12/20)*(1/2)

P(Red AND Tails) = (12*1)/(20*2)

P(Red AND Tails) = 12/40

P(Red AND Tails) = 3/10
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