# Question

Suppose you routinely check coin-return slots in vending machines to see if they have any money in them. You have found that about 10% of the time you find money.

a. What is the probability that you do not find money the next time you check?

b. What is the probability that the next time you will find money is on the third try?

c. What is the probability that you will have found money by the third try?

a. What is the probability that you do not find money the next time you check?

b. What is the probability that the next time you will find money is on the third try?

c. What is the probability that you will have found money by the third try?

## Answer to relevant Questions

Suppose you play a carnival game that requires you to toss a ball to hit a target. The probability that you will hit the target on each play is .2 and is independent from one try to the next. You win a prize if you hit the ...In the “3 Spot” version of the former California Keno lottery game, the player picked three numbers from 1 to 40. Ten possible winning numbers were then randomly selected. It cost $ 1 to play. The accompanying table ...Which of the two methods for determining relative-frequency probabilities (given in Section 14.2) was used to determine each of the following? a. On any given day, the probability that a randomly selected American adult will ...You are competing in a swimming race that has eight contestants starting at the same time, one per lane. Two of your friends are in the race as well. The eight lanes are assigned to the eight swimmers at random, but you hope ...Suppose that there are 38 students in your class. Each day the teacher randomly selects one student to show the others how to do the previous night’s homework. Each day, all students are eligible and equally likely to be ...Post your question

0