Question

If p, q, r greater than or equal to 4 are integers
are integers , not all equal
and 4pgr = (p+3) (q+3) (r+3) then the value
of p + q+r is​

Answer 1

Answer:

Employment 11 14 17 Total 1 18 56 89 163 0 13 16 8 37 Total 31 72 97 200 What is the variance of employment? Give your answer to two decimal places.