Bulbs are packed in cartons,each containing 4 | vedclass

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(D) Total number of cartons examined $= 700$.Let $E$ be the event that the selected carton has no defective bulb.From the table,the number of cartons

Vedclass · Accepted Answer

$\frac{4}{7}$

Vedclass · Answer

(D) Total number of cartons examined $= 700$.Let $E$ be the event that the selected carton has no defective bulb.From the table,the number of cartons with $0$ defective bulbs is $400$.The probability of an event is given by the formula:$P(E) = \frac{	ext{Number of trials in which the event happened}}{	ext{Total number of trials}}$Substituting the values:$P(E) = \frac{400}{700} = \frac{4}{7}$.Therefore,the probability that the selected carton has no defective bulb is $\frac{4}{7}$.

Number of defective bulbs	$0$	$1$	$2$	$3$	$4$	$5$	$6$	more than $6$
Frequency	$400$	$180$	$48$	$41$	$18$	$8$	$3$	$2$

Outcome	$1$	$2$	$3$	$4$	$5$	$6$
Frequency	$180$	$150$	$160$	$170$	$150$	$190$

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