Probability And Statistics - Happy New Year!!

What is the mean of the digits of the new year?

If Judy scored 86 on a test that averaged 78, with a Std.dev. of 4, what was her z-score?

When is the extra credit assignment due?

Gene scored in the 40th percentile. What was his score? (mean is still 78, std. dev. 4)

So Judy's z-score is 2, what was her percentile?

What is the standard deviation of the digits of the new year?