Sapphire The Normal Distribution

How many possible outcomes are there?

What composes the sample space?

How will you describe the histogram?

Compute the probability that Z is greater than -1.25 but less than 2.19.

Compute the probability using the standard normal curve. P(Z < 1.67) = ______________

Compute the probability using the standard normal curve. P(Z > -0.65) = ______________

Find the corresponding z-score for x = 11 given a mean of 6 and a standard deviation of 2.

Find the probability that some students got a score below 40 in a test with a mean of 65 and a standard deviation of 12.

Find the probability that students chosen at random have a height greater than 1.75 in a distribution with a mean of 1.6 and a standard deviation of 0.3.

Which of the following denotes the standard normal distribution?

• A

• X

• Y

• Z