In Erercises 70-78, use either of the two methods developed in this section to find a fonnula for rn. Then use your result to find r 6. r. = -r._1 + 6r._z: ro = 8 and r 1 = I

Stat notes week 10 Find the probability of a normal random variable within 1, 2, and 3 σ of its μ - Within 1 P(-1 z)=p a.) Invnorm (1-p/2) InvNorm can be found by second VARS then third down. Find x such that the P(x