SOLUTION: A marksman can hit the center of a target with a probability of p = 0.4. Find the probability that out of 10 trials, the marksman can hit the center: a. exactly 6 times b. at

Algebra ->  Probability-and-statistics -> SOLUTION: A marksman can hit the center of a target with a probability of p = 0.4. Find the probability that out of 10 trials, the marksman can hit the center: a. exactly 6 times b. at       Log On


   

Question 868803: A marksman can hit the center of a target with a probability of p = 0.4. Find the probability that out of 10 trials, the marksman can hit the center:
a. exactly 6 times
b. at most 3 times
c. Find the mean and standard deviation for this situation.
Would you be kind enough to include the solution? Thank you...
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Might recommend stattrek.com for electronic calculations
If You lack other electonics
Following done in TI Format
p(hitcenter) = .4, n = 10
a) P(x=6)= binompdf(10, .4, 6) = .1115
b) P( x ≤ 3) = binomcdf(10, .4, 3) = .3828
c) mean = 4 and SD = sqrt(4*.6)