Question

Salma is at the grand opening celebration of a supermarket. She spins a wheel with 10 equal-sized slices, as shown below. The wheel has 7 black slices, 2 grey slices, and 1 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.

Answer 1

9/10 the wheel is spun again.

Number of slices (n) = 10

Number of black slices (b) = 7

Number of grey slice (g) = 2

Number white slice (w) = 1

a) Odds in favor of Heather winning a gift card.

P = number of grey cards/ Total number of cards.

= 1/10

b) Odds against Heather winning a gift card.

P = 1 - number of grey cards/ Total number of cards.

= 1 - 1/10

= 9/10.

They were found in Europe in the 13th century and were the standard equipment for processing fibers into thread. Not a thing. A wheel is a rim on which a tire is mounted. A tire is an oval-shaped piece of rubber attached to a wheel.

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