Inverse Normal Practice

At Chili's, the average wait time to receive your meal is 22 minutes with a standard deviation of 9 minutes. What is the wait time for the top 12% ? Round to the nearest minute.

• 39 minutes

• 37 minutes

• 33 minutes

• 31 minutes

Suppose the amount of soda in a can is normally distributed; the mean is 16 oz and standard deviation is 0.4 oz. How much soda is in the heaviest 3% of cans?

Suppose the amount of soda in a can is normally distributed; the mean is 16 oz and standard deviation is 0.4 oz. How much soda is in the lightest 22% of cans?

Is the inverse function found correctly?

• yes

• no

Was the inverse function found correctly?

• no,

• yes

An ​ (a)   takes a previously found result ( a y value) and returns it to its original value (x value). This means you are ​ (b)   a function

• function

• inverse

• 2 or more

• undoing

Are these the graphs of two inverse functions?

• Yes

• No

• No way to tell

Are the blue and red graphs inverse functions?

• yes

• no

• no way to tell

Suppose the amount of soda in a can is normally distributed; the mean is 16 oz and standard deviation is 0.4 oz. How much soda is in the lightest 22% of cans? The answer to this question would be found by using

• Standard Normal Curve

• Non-standard Normal Curve

• Inverse Normal

IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What is the lowest score possible to be in the top 10%? The answer to this question would be found by using

• Standard Normal Curve

• Non-Standard Normal Curve

• Inverse Normal