Question

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:One carton was selected at random.
No of defective bulbs
0
1
2
3
4
5
6
Morethen6

frequency
400
180
48
41
18
8
3
2


(i) Probability of getting no defective bulb is
(a) (b) (d) none
(ii) Probability of getting 1 defective bulb is
(a) (b) (d) none
(iii) Probability of getting at most 1 defective bulb is
(a) (b) (d) none
(iv) Probability of getting more than 6 defective bulb is
(a) (b) (d)
(v) Probability of getting at least 1 defective bulb is
(a) (b) (d) none
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Answer 1

Answer:

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