The number of customers in a large sandwich restaurant is randomly distributed. Over time, the manager...
The number of customers in a large sandwich restaurant is randomly distributed. Over time, the manager has estimated that the average number of customers at lunchtime is 30, with standard deviation of 5.
a. Find a bound on the probability that there are between 20 to 40 customers (inclusive) at lunchtime.
b. Find a bound on the probability that there are at least 40 customers at lunchtime.
c. Find a bound on the probability that there are at least 50 customers at lunchtime.
d. Find a bound on the probability that there are at least 60 customers at lunchtime.
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