O COUNTING AND PROBABILITY
Finding the odds in favor and against
Susana v
E...
Mathematics, 22.09.2020 21:01 atlasthegoat
O COUNTING AND PROBABILITY
Finding the odds in favor and against
Susana v
Espoo
Keith is at the grand opening celebration of a supermarket. He spins a wheel with 10 equal-sized slices, as shown below. The wheel has 7 black slices, 2 grey
slices, and I white slice. When the wheel is spun, the arrow stops on a slice at random. If the arrow stops on the border of two slices, the wheel is spun again.
23
(a) If the arrow stops on a black slice, then Keith wins a gift card. Find the
odds against Keith winning a gift card
to
X
Р
(b) If the arrow stops on a black slice, then Keith wins a gift card. Find the
odds in favor of Keith winning a gift card.
Explanation
Check
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