Does anyone know the Answer for this

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.

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart