Here
n = 55, c = 3
Let say defective rate = d
P(x > 3; n = 55, d) = 1/3
55C0 (1-d)55 + 55C1 d(1-d)54 + 55C2 d(1-d)53 = 1/3
by using trial and error, 8.00% is the correct answer.
Binomdist(x <= 3; 55 ; 0.08) = 0.35
Really short question! Please help me to solve! THANK
YOU!
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