What is the probability that the speed of a car is at most 28 mph? (Enter your answer as a fraction)
Part (h)
What is the probability that the speed of a car is between 17 and 23 mph? (Enter your answer as a fraction)
Part (i)
State "P(19 < X < 54) = " in a probability question
What is the probability that the speed of a car is exactly 19 or 54 mph?
What is the probability that the speed of a car is below 19 given that it is below 54 mph?
What is the probability that the speed of a car is below 19 or above 54 mph?
What is the probability that the speed of a car is between 19 and 54 mph?
Draw the picture and find the probability. (Enter your answer as a fraction.)
Part (j)
Find the 90th percentile.
This means that 90% of the time, the speed is less than mph while passing through the intersection.
Part (k)
Find the 65th percentile. In a complete sentence, state what this means.
This means that % of the time, the speed is less than mph while passing through the intersection.
Part (l)
Find the probability that the speed is more than 24 mph given (or knowing that) it is at least 16 mph. (Enter your answer as a fraction.)