# Question

According to the National Oceanic and Atmospheric Administration (NOAA), the state of Colorado averages 18 tornadoes every June (NOAA website, November 8, 2012). There are 30 days in June.
a. Compute the mean number of tornadoes per day.
b. Compute the probability of no tornadoes during a day.
c. Compute the probability of exactly one tornado during a day.
d. Compute the probability of more than one tornado during a day.

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