Stats_Quiz_dpqr_cont

P(Y > 8)

0.5 since the mean is 8 (1/2 on either side of the mean)

$P(2\le Y\le 7)$

> #Y ~ N(8,2)
> pnorm(7,8,2) - pnorm(2,8,2)
[1] 0.3071876

$P(Y<6)$

> pnorm(6,8,2)
[1] 0.1586553

$P(Y=10)$

P(Y = a)  = 0 since no area above a point