Thursday

August 28, 2014

August 28, 2014

Posted by **Giselle** on Sunday, January 2, 2011 at 10:23pm.

A) .882

B) .961

C) .039

D) .079

- Statistics and Probability -
**Reiny**, Sunday, January 2, 2011 at 10:48pmprob of causing illness = .3

prob of not causing illness = .7

so you want

prob(7of 12will cause illness) + prob(8of 12will cause illness)+ ... + prob(12of 12will cause illness)

= C(12,7)(.3)^7(.7)^5 + C(12,8)(.3^8)(.7^4) + ... +C(12,12)(.3^12)

you do the button pushing.

- Statistics and Probability -
**Giselle**, Sunday, January 2, 2011 at 10:50pmThank you Soo much!

- Statistics and Probability -
**Reiny**, Sunday, January 2, 2011 at 10:53pmwelcome

**Related Questions**

math question (counting) - When Josh was visiting his family’s farm, he saw that...

Mathematics - Old MacDonald has to pack 60 chickens into 32 cages. If each cage ...

business math - How long will it take the farmer to sell all his chickens? ...

math - A farmer had 500 ducks and 300 chickens. He gave his sister 100 chickens ...

6th grade math - on a farm there is 18 pigs and chickens (all together). There ...

Math 156 - The number of dogs and chickens add up to 14. The number of legs ...

Economics - Are chickens and and cows examples of capital goods? Capital goods ...

informal Logic - One way to disconfirm the scientific hypothesis that chickens ...

PHI 103 informal logic - One way to disconfirm the scientific hypothesis that ...

Logic - One way to disconfirm the scientific hypothesis that chickens cannot fly...