Q177
160 heads and 240 tails resulted from 400 tosses of a coin. Find a 95% confidence interval for the probability of a head. Does this appear to be a fair coin?
A.
Cannot be said to be fair
AnswerB.
Can be or cannot be said to be fair
C.
Can be said to be fair
D.
Yes with +1
Answer: Option A
Solution
Answer: Option A
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