1. The average number of queries received by a call centre is 20 calls per hour. What distribution would you use to model the probability of calls per hour? Explain your choice of distribution and show how it is used by calculating the probability that there are at least 17 calls in a given hour.

2. The weights of a coffee shop’s muffins are normally distributed with mean 100g and standard deviation 5 g. Show how to determine the proportion of muffins that are at least 97 g. Write a sentence that explains your resulting answer to the coffee shop manager.

Subject | Mathematics |

Due By (Pacific Time) | 06/03/2015 10:00 am |

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