A binomial probability experiment is conducted with the given parameters. Use technology to find the probability of x successes in the n independent trials of the experiment. Use the Tech Help button for further assistance. n=6, p=0.650, x<4
Solution :
Given that ,
p = 0.650
1 - p = 1 -0.650 = 0.350
n = 6
Using binomial probability formula ,
P(X < 4 ) = ((n! / (n - x)!) * px * (1 - p)n - x
So,
p (x < 4 ) =p (x = 0 )+ p (x = 1) + p (x = 2 ) + p (x = 3 )
= (6 ! / (6- 0)!) * .0.6500 * 0.350 )6- 8
= (6 ! / (6 - 1)!) * 0.6501 * 0.350 )6- 7
= (6 ! / (6 - 2)!) * 0.6502 * 0.350 )6 - 6
= (6 ! / (6 - 3)!) * 0.6503 * 0.350 )6 - 5
p ( x < 4 ) = 0.3529
Probability = 0.3529
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