Question

Q15. 50 seeds were selected at random from each of 5 bags of seeds and were kept under
standardised conditions favourable to germination. After 20 days the no. of seeds which had
germinated in each collection were counted and recorded as follows:
Bag
1
2
4
5
40
48
No. of seeds
germinated
39
TUE
41
Em
What is the probability of germination of
More than 40 seeds in a bag?
b) 49 seeds in a bag?
c More than 35 seeds in a bag?
d) Atleast 40 seeds in a bag?
Atmost 40 seeds in a bag?​

Answer 1

Answer:

(i) Number of bags in which more than 40 seeds out of 50 seeds germinated =3

So, P (more than 40 seeds in a bag germinated) =

5

3

=0.60

(ii)Number of bags in which 49 seeds germinated =0

So, P (49 seeds germinated in bag) =

5

0

=0

(iii) Number of bags in which more than 35 seeds out 50 seeds germinated =5

Total number of bags=5

So, P(more than 35 seeds in a bag germinated) =

5

5

=1

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