SOLUTION: 1. The probability that a bulb produced by a factory will fuse after certain period of time is 0.05. Find the probability that out of 5 such bulbs a. None fuses b. Not more than

Question 590932: 1. The probability that a bulb produced by a factory will fuse after certain period of time is 0.05. Find the probability that out of 5 such bulbs
a. None fuses
b. Not more than 2 fuse
c. More than 2 fuse

Found 2 solutions by edjones, Alan3354:
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
3. The probability that a bulb produced by a factory will fuse after certain period of time is 0.05. Find the probability that out of 5 such bulbs
a. None fuses
b. Not more than 2 fuse
c. More than 2 fuse
.
a) .95^5=.7738
.
b)
(x+y)^5 for x=.95 and y=.05
x^5+5x^4y+10x^3y^2
=.9988
.
c) 1-.9988=.0012
.
Ed
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1. The probability that a bulb produced by a factory will fuse after certain period of time is 0.05. Find the probability that out of 5 such bulbs
a. None fuses
b. Not more than 2 fuse
c. More than 2 fuse
----------------------------
What does that mean? How does a bulb "fuse?"

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