1. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Enter a number. Round your answer to four decimal places.) = 26; = 3.8

P(x 30)

2. Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Enter a number. Round your answer to four decimal places.)

The area to the left of z = 0.43 is

3. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Enter a number. Round your answer to four decimal places.) = 6; = 2

P(5 x 9) =

4. Find the mean, median, and mode of the data set.

9 4 8 4 5

mean (Enter a number.) median (Enter an exact number.) mode (Enter an exact number.)

5. Compute P_9,2. (Enter an exact number.)

6. Compute C_7,2. (Enter an exact number.)