I have this problem and not sure which formula to use.

Would this be the Binomial formula? If so how do I go about performing on this equation.

Cheers

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- Sep 1st 2009, 07:15 PMabzstar111statistics problem
I have this problem and not sure which formula to use.

Would this be the Binomial formula? If so how do I go about performing on this equation.

Cheers - Sep 1st 2009, 08:02 PMmr fantastic
Calculate 1 - Pr(no errors). Assuming independence, Pr(no errors) is straightforward.

To calculate the other stuff, substitute the data into the forumulas you've been undoubtedly been given. (If you need more help, please show what you've done and where you get stuck). - Sep 4th 2009, 12:13 AMabzstar111
Thankyou for your reply mr fantastic.

for part (a) I did this,

p(1) + p(2) + p(3) + p(4) =0.5439

I dont understand part (b) at all. Is it a formula I use?

Cheers mate(Hi) - Sep 4th 2009, 05:37 AMmr fantastic