For n=15, π= 0.4 Cumulative Binomial table x 0 1 2 3 4 5 6 7 8 P(X<=x) 0.0005 0.0052 0.0271 0.0905 0.2173 0.4032 0.6098 0.7869 0.9050 x 9 10 11 12 13 14 15 P(X<=x) 0.9662 0.9907 0.9981 0.9997 1.0000 etc. What is the probability P(X=>10)?
a. 0.0338
b. 0.9997
c. 0.3564
d. 0.0931
e. 0.1181
Answer : a) 0.0338
-------------------(1)
Now
Substitute above values in (1) we get,
After canceling the terms,
Hence,
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