Question 872700
 <pre><font face = "consolas" color = "indigo" size = 3><b>
Hi
Using a Binomial Distribution:{{{P (x)= highlight_green(nCx)(p^x)(q)^(n-x) }}} 
p(def) = 4/15 = .2667 and q = 1 -.2667 = .7333
a. n = 8, P(x = 3) = 56(.2667)^3(.7333)^5 0r binompdf(8, .2267, 3) = .2252
b. n = 9, P(x = 4) = 126(.2667)^4(.7333)^5 0r binompdf(9, .2267,4) = .1351