# Question

The probability that a bakery customer will order a birthday cake is .04.

(a) What is the expected number of customers until the first birthday cake is ordered?

(b) What is the probability the first cake order occurs within the first 20 customers?

(a) What is the expected number of customers until the first birthday cake is ordered?

(b) What is the probability the first cake order occurs within the first 20 customers?

## Answer to relevant Questions

In a certain city, 8 percent of the cars have a burned-out headlight. (a) What is the expected number that must be inspected before the first one with a burned-out headlight is found? (b) What is the probability of finding ...A manufacturer fills one-gallon cans (3,785 ml) on an assembly line in two independent steps. First, a high-volume spigot injects most of the paint rapidly. Next, a more precise but slower spigot tops off the can. The ll ...List the X values that are included in each italicized event. a. You can miss at most 2 quizzes out of 16 quizzes (X = number of missed quizzes). b. You go to Starbuck's at least 4 days a week (X = number of Starbuck's ...Calculate each binomial probability: a. More than 10 successes in 16 trials with an 80 percent chance of success. b. At least 4 successes in 8 trials with a 40 percent chance of success. c. No more than 2 successes in 6 ...On the midnight shift, the number of patients with head trauma in an emergency room has the probability distribution shown below. (a) Calculate the mean and standard deviation. (b) Describe the shape of this distribution.Post your question

0