Question 1195439
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Assume that a procedure yields a binomial distribution with a trial repeated n = 30 times. 
Use the binomial probability formula to find the probability of x = 5 successes 
given the probability p = 1/4 of success on a single trial. Round to three decimal places.
0.407
1.01
0.1047
0.172
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<pre>
P = P(n=30, k=5, p=1/4) = {{{C[30]^5*0.25^k*(1-0.25)^(30-5)}}} = {{{((30*29*28*27*26)/(1*2*3*4*5))*0.25^5*0.75^25}}} = 0.104728475 = 0.1047.
</pre>

Solved.