Question 1113216: A binomial probability experiment is conducted with the given parameters. Compute the probability of x successes in the n independent trials of the experiment.
n = 10, p = 0.25, x = less than or equal to 4.
Answer by Boreal(15235)   (Show Source):
You can put this solution on YOUR website! want x=0,1,2,3,4
For 0, it is 0.75^10=0.0563
for 1, it is 10C1*0.75^9*0.25=10*0.01877=0.1877
for 2, it is 10C2*0.75^8*0.25^2=0.2816
for 3, it is 10C3*0.75^7*0.25^3=0.2503
for 4, it is 10C4*0.76^6*0.25^4=0.1460
0.9219
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