Use the Following Information for Questions

Multiple Choice

Use the following information for questions:
The time taken for a computer to boot up, X, follows a normal distribution with mean 30 seconds and standard deviation 5 seconds.
-What is the standardized score (z-score) for a boot-up time of x =30 seconds?

A) -2.0
B) 0.0
C) 1.0
D) 2.0