Question 14 - Week 1 Practice

Question 14

00:00Est. 2 min

Marks:+2.000.00

Passage

Based on the above data, answer the given subquestions. A factory manufactures a batch of

5

light bulbs every hour. Let

X

denote the number of defective bulbs in a batch. The probability mass function of

X

f_X(x)=\frac{5-x}{15}

, for

x=0,1,2,3,4,5

, and

0

otherwise.

Question

Find the probability that the factory will produce at most

3

defective light bulbs in a batch of

5

light bulbs. Enter the answer correct to two decimal places.

Comprehension

Easy Difficulty

23 February 2025

Your answer