Which relationship must be true to be able to use a normal distribution to find the margin of error for a data set with a sample proportion P and a sample size n?
A. np > 30
B. n(1 – P) ? np
C. n(1 - P) > 10
D. np < 10

(answer 2 )i’m very smart that’s how i know the answer.

Ifound this on google “a skewed (non-symmetric) distribution is a distribution in which there is no such mirror-imaging. a "skewed right" distribution is one in which the tail is on the right side. a "skewed left" distribution is one in which the tail is on the left side. the above histogram is for a distribution that is skewed right.” i hope this you for what your looking for