Question

A roulette wheel has 38 slots, numbered 0, 00, and 1 to 36. The slots 0 and 00 are colored green, 18 of the others are red, and 18 are black. The dealer spins the wheel and at the same time rolls a small ball along the wheel in the opposite direction. The wheel is carefully balanced so that the ball is equally likely to land in any slot when the wheel slows. Gamblers can bet on various combinations of numbers and colors.

What is the probability that the ball will land in any one slot?

Give your answer to 2 decimal places.
Fill in the blank:
The probability that the ball will land in any one slot is: _______ .

Step 2:

If you bet on red, you win if the ball lands in a red slot.

What is the probability of winning?
Give your answer to 2 decimal places.
Fill in the blank:
The probability of winning is: _______ .

Step 3:

The slot numbers are laid out on a board on which gamblers place their bets.

One column of numbers on the board contains all multiples of 3, that is, 3, 6, 9, ..., 36.
You place a column bet that wins if any of these numbers comes up.
What is the probability of winning?
Give your answer to 2 decimal places.
Fill in the blank:
The probability of winning is: _______ .

Answer 1

solution :- ㅗ 38 n (one particular slot) 1 Plone slot) = (Total slot) 0.03 18 2) - 0.47 P(Red) = n/Red) n (Total) 38 0.47 12 delet 3) n (multible of 3) : Pl multiple of 3) = 0.32 12 38 11