In an observational study, which of the choices below refers to a snapshot of all data collected and the statistical analyses conducted?
a) introduction
b) methodology
c) results
d) discussion

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.

When the ball has traveled a distance of

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2