Answer:
1.2
Explanation:
Given : A small business has an average income of $3,000.00 per month with a standard deviation of $250.00.
To Find : If the income in a given month is $3,300.00, what z-score corresponds to this value?
Solution:
Formula of z score

x = 3300


Substitute teh values in teh formula


Hence z-score corresponds to this value is 1.2