Question

Find the binomial probability P(x = 5), where n = 12 and p = 0.70.

Answer 1

\[\dbinom{12}{5}(.7)^5(.3)^7\] and a calculator

Answer 2

\(\binom{12}{5}=792\) but you still need a calculator for the rest

Answer 3

thanks do i just divide 12/5 and than muplity the rest?

Answer 4

oh heck not
\[\dbinom{12}{5}\neq \frac{12}{5}\] it is a rather large number, namely 792

Answer 5

it is the number of ways you can choose 5 items from a set of 12

Answer 6

oh ok thanks

Answer 7

yw