Friday

October 31, 2014

October 31, 2014

Posted by **Tony** on Wednesday, June 8, 2011 at 7:56pm.

- Elementary Statistics -
**Reiny**, Wednesday, June 8, 2011 at 8:21pmThe machine will be working if

1. no part fails ---> (.8)^7

2. 1 part fails ----> C(7,1)(.2)(.8)^6

3. 2 parts fail ---> C(7,2)(.2^2)(.8^5)

4. 3 parts fail ---> C(7,3)(.2^3)(.8^4)

add them up

**Answer this Question**

**Related Questions**

discrete probability distribution (help please!) - a machine has 7 identical ...

stat - a machine has 7 identical components which function independently. the ...

Math - A company that produces a particular machine component has 3 factories, ...

Math - A company that produces a particular machine component has 3 factories, ...

math - A machine has four components, A, B, C, and D, set up in such a manner ...

MATH - A company makes three products X, Y and Z. Each product requires ...

MATH- please help! - A company makes three products X, Y and Z. Each product ...

MATH-PLEASE HELPPP!!!! - A company makes three products X, Y and Z. Each product...

Statistics/Probability - A component is rejected if its has a diameter less than...

math- im really confused! please help!! - A company makes three products X, Y ...