N2003/II/26
random variable X has binomial distribution B(20, 0.4)
Y has binomial distribution B (30, 0.6)
State approximate distribution of Y - X
Find approximate value for P(Y - X > 13)
Ans:
Y - X ~ N (10, 12)
To find P(Y-X<13) should we apply continuity correction?
In other words should we use P(Y-X<12.5) ?
Yes, continuity correction should be used here.
ok thanks .