Question

a die is thrown until the outcome 2 has occurred 5 times what is the means and variation of the number of times one must show a diet to get the desired outcome​

Answer 1

Explanation:

n=5, p=q=1/2 since probability of getting even and odd are same.

∴ Variance is σ

2

=npq=

4

5

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Answer 2

Answer:

please mark me as brainliest