Problem 5: Emergency 911 calls to a small county in North Georgia are received at the rate of one very two minutes (.5 / minute) a.) What is the probability of three 911 calls
b.) What is the probability of three or less calls
c.) What is the probability of five or more calls
d.) What is the expected number of 911 calls in one hour Hint: What is the expected value?

a 10 percent increase

linear pair postulates

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

it's d

step-by-step explanation: