View the step-by-step solution to:

Fifteen microprocessors are randomly selected from a lot of 750 microprocessors among which 30 are defective. Find the probability of obtaining at...

Fifteen microprocessors are randomly selected from a lot of 750 microprocessors among which 30 are defective.

A. Find the probability of obtaining at most 6 defective microprocessors.

B. Find the probability of obtaining at least 8 defective microprocessors.

c. Find the probability of obtaining exactly 7 defective microprocessors.
Sign up to view the entire interaction

Top Answer

Dear student, please... View the full answer

MICROPROCESSOR.doc

The prob of being defective = p = 30/750 = 0.04
The no. of defectives is a Binomial(15,p) variable. Call it X.
Then, for r = 0,1,2,……..15, we have
P[X= r] = 15Cr(p)r(1-p)15-...

Sign up to view the full answer

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

-

Educational Resources
  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question
Ask a homework question - tutors are online