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Question

What is the most probable number of successes in 10 trials with probability of success 23?

A
10
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B
7
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C
5
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D
4
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Solution

The correct option is D 7
The probability of success is 23
That means out of three trials, 2 are success.
So, out of 9 trials, 6 trials are success.
So, the probable number of success in 10 trials is 7.
Hence, B is correct

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