The probability is 0.7 that a person shopping at a certain store will spend less than $20. For groups of size 22, find the mean number who spend less than $20.
A company manufacturers batteries in batches of 18 and there is a 3% rate of defects. Find the standard deviation for the number of defects per batch.
Use the Poisson Distribution to find the indicated probability.
The number of calls received by a car towing service averages 16.8 per day (per 24-hour period). After finding the mean number of calls per hour, find the probability that in a randomly selected hour the number of calls is 2.
The solution gives step by procedure for computing probability from Binomial and Poisson distributions