b. P(X = X) = b(X, 10, 0.3) = = 0.1029
c. X(X = X) = b(8, XX, X.X) = = 0.XXXXX
7.94 A certain type XX XXXXXX XXXX XXXXXXXXXX 90% XX the XXXX. X XXXXXXXX XXXXXX planted XX seeds.
a. What XX XXX XXXXXXXXXXX XXXX XXXXXXX 20 XXXXXXXXX?
b. What is XXX XXXXXXXXXXX XXXX XX or more germinate?
X(20, XX, 0.X) + b(21, 25, 0.9) + b(XX, 25, 0.X) + b(XX, 25, 0.9) + b(24, XX, 0.9) + b(25, XX, X.9) = X.0645 + X.XXXX + X.XXXX + 0.2658 + 0.XXX + 0.0717 = 0.XXX
c. What XX the probability that 24 or XXXXX XXXXXXXXX?
X-p(XX XXXXXXXXX) = 1-b(XX, 25, X.9) = X-.XXXX = 0.XXX
d. What is XXX expected number of seeds that germinate?
XX have E(X) = n*p = XX*0.9 = 22.5