Question: According to data from a Calgary observatory, the mean daily counting rate for cosmic rays falls below 3000 about one day per month. Find the

According to data from a Calgary observatory, the mean daily counting rate for cosmic rays falls below 3000 about one day per month. Find the probability that in a randomly selected month, the number of days with a mean counting rate below 3000 is
Use the Poisson to find the indicated probabilities.
a. 0
b. 1
c. 2

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