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If the probability of a defective bolt i...

If the probability of a defective bolt is 0.1, find the i. mean and ii. standard deviation for the distribution of bolts in a total of 400 bolts.

A

`30, 3`

B

`40, 5`

C

`30, 4`

D

`40, 6`

Text Solution

Verified by Experts

The correct Answer is:
(d)
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