Q.
3% of the electric bulbs manufactured by a company are defective. Using poison distribution (approximately), the probability that a sample of 100 bulbs will contain exactly one defective , is
see full answer
Want to Fund your own JEE / NEET / Foundation preparation ??
Take the SCORE scholarship exam from home and compete for scholarships worth ₹1 crore!*
An Intiative by Sri Chaitanya
a
.05
b
.15
c
e−1
d
e−2
answer is B.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
[p=3100,n=100;∴m=np=3 ]∴ from p(r)= e−m.mrrwe get P(1)=e−m.m11=3e3=antilog[log3−3log10e] =antilog[0.4771−3×0.4343]=antilog (1¯.1742)=0.15
Watch 3-min video & get full concept clarity