SOLUTION: I'll calculator contains four batteries each battery has a 90% chance of lasting full year find the probability that all for batteries last a full year. Using this : nCx(Px)(Qn-x)

Algebra ->  Statistics  -> Binomial-probability -> SOLUTION: I'll calculator contains four batteries each battery has a 90% chance of lasting full year find the probability that all for batteries last a full year. Using this : nCx(Px)(Qn-x)       Log On


   

Question 1029057: I'll calculator contains four batteries each battery has a 90% chance of lasting full year find the probability that all for batteries last a full year. Using this : nCx(Px)(Qn-x)
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
4C4(.9)^4(.1)^0
This is 0.9)^4=0.6561