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There are 30 white balls and 10 red balls in bag. 16 balls are

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There are 30 white balls and 10 red balls in bag. 16 balls are drawn with replacement from the bag. If $X$ be the number of white balls drawn then the value of $\frac{mean ( X )}{standard deviation ( X )}$ is equal to (A) $43$ (B) $23$ (C) $33$ (D) $32$

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There are 30 white balls and 10 red balls in bag. 16 balls are drawn with replacement from the bag. If

X

be the number of white balls drawn then the value of

\frac{mean ( X )}{standard deviation ( X )}

is equal to (A)

43

(B)

23

(C)

33

(D)

32

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Question Text	There are 30 white balls and 10 red balls in bag. 16 balls are drawn with replacement from the bag. If $X$ be the number of white balls drawn then the value of $\frac{mean ( X )}{standard deviation ( X )}$ is equal to (A) $43$ (B) $23$ (C) $33$ (D) $32$
Answer Type	Video solution: 1
Upvotes	150