# Question

A recent issue of Bride Magazine suggested that couples planning their wedding should expect two-thirds of those who are sent an invitation to respond that they will attend. Rich and Stacy are planning to be married later this year. They plan to send 197 invitations.

a. How many guests would you expect to accept the invitation?

b. What is the standard deviation?

c. What is the probability 140 or more will accept the invitation?

d. What is the probability exactly 140 will accept the invitation?

a. How many guests would you expect to accept the invitation?

b. What is the standard deviation?

c. What is the probability 140 or more will accept the invitation?

d. What is the probability exactly 140 will accept the invitation?

## Answer to relevant Questions

Waiting times to receive food after placing an order at the local Subway sandwich shop follow an exponential distribution with a mean of 60 seconds. Calculate the probability a customer waits:a. Less than 30 seconds.b. More ...A tube of Listerine Tartar Control toothpaste contains 4.2 ounces. As people use the tooth paste, the amount remaining in any tube is random. Assume the amount of toothpaste remaining in the tube follows a uniform ...Shaver Manufacturing Inc. offers dental insurance to its employees. A recent study by the human resource director shows the annual cost per employee per year followed the normal probability distribution, with a mean of ...It is estimated that 10% of those taking the quantitative methods portion of the CPA examination fail that section. Sixty students are taking the exam this Saturday.a. How many would you expect to fail? What is the standard ...The annual sales of romance novels follow the normal distribution. However, the mean and the standard deviation are unknown. Forty percent of the time sales are more than 470,000, and 10% of the time sales are more than ...Post your question

0