Question 42 - Week 1 Practice | Prasnya
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Week 1
Question 42
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A coin is biased so that the probability of obtaining a head is
0.75
0.75
. The coin is tossed four times and the number of heads obtained is given by
X
X
. Find
Var
(
X
)
\operatorname{Var}(X)
. Enter the answer correct to two decimal places.
Integer answer
Easy Difficulty
05 June 2022
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