Question

a carton consistsof 100 pens, out of whoch 65 are good pne, 15 have minor defects and remaining have major defects. what is the probability that a man will pock up a pen with a major defect​

Answer 1

Answer:

$\frac{1}{5}$

is the probability

Step-by-step explanation:

in the picture

Answer 2

Step-by-step explanation:

Given

Total number of pens=100

Number of good pens=65

Number of pens with minor defects=15

Number of pens with major defects=100-65-15=20

Now, if a man takes a pen at random, from the box, then the probability of picking a pen with major defect is given by the probability formula, which is

$\frac{total\ number\ of\ favourable\ outcomes}{Total\ number\ of\ outcomes}$Now the favourable outcome is of picking a pen with major defect.

Putting numbers in the formula

$\frac{20}{100}= \frac{1}{5}$

Therefore, the probability of getting a defected pen is$\frac{1}{5}\ or \ 20\%$