Question

Given that z is a standard normal random variable, find z for each situation (to 2...

Given that z is a standard normal random variable, find z for each situation (to 2 decimals).

A. The area to the left of z is 0.209.

B. The area between -z and z is 0.905.

C. The area between -z and z is 0.2052.

D. The area to the left of z is 0.9951.

E. The area to the right of z is 0.695.

Math   Statistics-And-Probability   
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Answer #1

Given that z is a standard normal random variable, find z for each situation (to 2 decimals).

A. The area to the left of z is 0.209.

Answer: Using the standard normal table, we have:

B. The area between -z and z is 0.905.

Answer: Using the standard normal table, we have:

,

C. The area between -z and z is 0.2052.​

Answer: Using the standard normal table, we have:

,

D. The area to the left of z is 0.9951.​

Answer: Using the standard normal table, we have:

E. The area to the right of z is 0.695.

Answer: Using the standard normal table, we have:

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