JEE Advanced 2021 Full Test 4 Paper 2

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SECTION – B (Single Digit Integer Type)
This section contains 06 questions. The answer to each question is a Single Digit integer ranging from 0 to 9, both inclusive.

Question : 47 of 54

Marks: +1, -0

An artillery target may be either at point I with probability

or at point II with probability

. we have 21 shells each of which can be fired either at point I or II. Each shell may hit the target independently of the other shell with probability

. If α shells must be fired at point I to hit the target with maximum probability, than

equals

Your Answer:

Validate

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