Find the Indicated Mean

question 203

Multiple Choice

Find the indicated mean.
-The mean number of homicides per year in one city is 21.4. Suppose a Poisson distribution will be used to find the probability that on a given day there will be fewer than 4 homicides. Find the mean of the appropriate
Poisson distribution (the mean number of homicides per day) . Round your answer to four decimal places.

• A) 21.4
• B) 0.412
• C) 5.35
• D) 0.0586