SOLUTION: A spinner is divided into four equal sections that are numbered 2, 3, 4, and 9. The spinner is spun twice.
How many outcomes have a product less than 20 and contain at least one
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Question 1129482: A spinner is divided into four equal sections that are numbered 2, 3, 4, and 9. The spinner is spun twice.
How many outcomes have a product less than 20 and contain at least one even number?
6
8
10
12
Answer by greenestamps(13203) (Show Source): You can put this solution on YOUR website!
What do you need help with on this? Or are you just wanting someone else to do the thinking for you?
Consider each outcome of the first spin, and find which outcomes on the second spin satisfy the conditions.
If the first spin is 9, then the second has to be even; and 9*4 is more than 20. So the only sequence of spins with first spin 9 that satisfies the conditions is (9,2).
Do the similar analysis if the first spin is 4, 3, or 2....
Then count the total number of sequences that satisfy the conditions.
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