A lot has 10% defective items. Ten items are chosen randomly from this lot. The probability that exactly 2 of the chosen items are defective is
Answers
Answered by
13
Answer:
0.1937
Step-by-step explanation:
probability of defective item is given by
p= 0.1
probability of non-defective item is given by q=1-0.1
q = 0.9
the probability that exactly 2 of the chosen items are defective is given by,
use the formula
= nCx.p^x.q^(n-x)
the next steps are explained in picture.
the answer is 0.1937
Attachments:
Similar questions
Computer Science,
6 months ago
Physics,
6 months ago
Hindi,
6 months ago
Business Studies,
1 year ago
Physics,
1 year ago
Social Sciences,
1 year ago
Math,
1 year ago