Author Question: For a continuous random variable x, P(6 < x < 8) is represented by the area under the ... (Read 49 times)

Medesa · **on:** Jul 24, 2018

For a continuous random variable x, P(6 < x < 8) is represented by the area under the probability function over the interval from 6 to 8.
Indicate whether the statement is true or false

Question 2

Suppose a 90 confidence interval for the mean time it takes to serve a customer at a drive-in bank is 120 seconds to 220 seconds. At the 90 confidence level, there is not enough evidence to conclude that the mean service time is not 200 seconds.
Indicate whether the statement is true or false