We are using the standard normal random variable is between 0 and Z table I need to find the probabi

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We are using the standard normal random variable is between 0 and Z table
I need to find the probability for
mean of 22 feet height and standard deviation is 4 feet
A. what is the probability that the height is greater than 17
B. height is less than 13 feet
C. the height is between 25 and 31 feet
I tried x-u/O to get z score and looked up in the table and all my answers have been wrong please help me understand how to find probability
Thank You
Beverly