Afair number cube labeled 1,2,3,4,5, and 6 is rolled 100 times. how many times does 3 appear

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !