SOLUTION: 3. From experience, a battery manufacturer knows the probability of a battery being defective is .08. If a retail customer buys four batteries, what is the probability that all of

Algebra ->  Probability-and-statistics -> SOLUTION: 3. From experience, a battery manufacturer knows the probability of a battery being defective is .08. If a retail customer buys four batteries, what is the probability that all of      Log On


   

Question 312098: 3. From experience, a battery manufacturer knows the probability of a battery being defective is .08. If a retail customer buys four batteries, what is the probability that all of the batteries are defective?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


You need to calculate the probability of successes in trials where the probability of success on any given trial is .



Where is the number of ways to select things from things where order doesn't matter, i.e.

For this particular problem , , and





Certainly less precise, but also certainly more illustrative, would be to say, "about a snowball's chance in hell."

John