The game of roulette involves spinning a wheel with 38 slots: 18 red, 18 black, and 2 green. A ball is spun onto the wheel and w
ill eventually land in a slot, where each slot has an equal chance of capturing the ball. The game of roulette involves spinning a wheel with 38 slots: 18 red, 18 black, and 2 green. A ball is spun onto the wheel and will eventually land in a slot, where each slot has an equal chance of capturing the ball.
a. You watch a roulette wheel spin 3 consecutive times and the ball lands on a red slot each time. What is the probability that the ball will land on a red slot on the next spin?
b. You watch a roulette wheel spin 300 consecutive times and the ball lands on a red slot each time. What is the probability that the ball will land on a red slot on the next spin?
c. Are you equally confident of your answers to the parts (a) and (b)? Why or why not?
Hi there :-) The formula of the simple interest is I=prt your question ask to find r which is interest rate you do that by dividing each side by (pt) to get R=I÷pt Now solve to get the interest rate R=562.5÷(1,500×5) R=0.075×100 multiply by 100 to get it as percentage R=7.5%