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Statistical Techniques in Business and Economics | 15th Edition | ISBN: 9780073401805 | Authors: Douglas Lind, William Marchal, Samuel Wathen
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A recent issue of Bride Magazine suggested that couples planning their wedding should

Chapter 0, Problem 36

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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?

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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?

ANSWER:

Step 1 of 4

Probability that those who are sent an invitation to respond that they will attend is .

Number of invitations is .

a. Mean of the distribution

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