The average homicide rate for the cities and towns in a state is 10 per 100,000 population with a standard deviation of 2. If the variable is normally distributed, what is the probability that a randomly selected town will have a homicide rate greater than 14?

Answer 1

Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.

Answer 2

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Answer 3

The waiting times between a subway departure schedule and the arrival of a passenger are uniformly distributed between 0 and 8 minutes. Find the probability that a randomly selected passenger has a waiting time greater thangreater than 2.25 minutes.
Find the probability that a randomly selected passenger has a waiting time greater thangreater than 2.25 minutes.

Answer 4

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Answer 5

find the probability that a randomly selected passenger has a waiting time greater than 2.25