Posted by **Curious Student** on Monday, October 8, 2007 at 7:59pm.

Each year (365 days) the fire department receives 270 emergency calls on average. In a give 7-day week, what is the probability of receiving

A. no calls

b. more than one call

c. one call or less

d. at least two calls

please help and show me some work or how to do it so i can learn from this.

Thanks!

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