A recent issue of Bride Magazine suggested that couples planning
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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