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Home > Statistics Every Writer Should Know > The Stats Board > Discusssion

Help!, probably very easy for you!
Message posted by Joe on October 18, 2000 at 12:00 AM (ET)

carfactory
we control the cars. 80 % of the cars are allright.

We are now controlling 20 cars.

1. What is the chance that exact five cars are allright?
2. What is the chance that more then 7 cars are allright?

Now we are controlling 110 cars.

3. What is the chance that more then 70 cars are allright?


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Re: Help!, probably very easy for you!
Message posted by SOF on October 19, 2000 at 12:00 AM (ET)

20 1. less than .00001, 2. greater than .99999 and
110, P(greater than 70) is approximately .999987 .



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