Question 18 Bulbs are packed in cartons each containing 40 bulbs. Seven hundred cartons were examined for defective bulbs and the results are given in the following table. Number of0123456Moredefectivethan 6bulbsFrequency400180484118832 One carton was selected at random. What is the probability that it has (i) No defective bulb? (ii) Defective bulbs from 2 - 6? (iii) Defective bulbs less than 4?

Question 18 Bulbs are packed in cartons each containing 40 bulbs. Seve

1.	Question 18 Bulbs are packed in cartons each containing 40 bulbs. Seven hundred cartons were examined for defective bulbs and the results are given in the following table. Number of0123456Moredefectivethan 6bulbsFrequency400180484118832 One carton was selected at random. What is the probability that it has (i) No defective bulb? (ii) Defective bulbs from 2 - 6? (iii) Defective bulbs less than 4?
Answer» Question 18 Bulbs are packed in cartons each containing 40 bulbs. Seven hundred cartons were examined for defective bulbs and the results are given in the following table. $\begin{matrix} N u m b e r o f & 0 & 1 & 2 & 3 & 4 & 5 & 6 & M o r e d e f e c t i v e & t h a n 6 b u l b s F r e q u e n c y & 400 & 180 & 48 & 41 & 18 & 8 & 3 & 2 \end{matrix}$ One carton was selected at random. What is the probability that it has (i) No defective bulb? (ii) Defective bulbs from 2 - 6? (iii) Defective bulbs less than 4?