Because\(\style{font-family:Times New Roman;}{\mu_\widehat p=p}\),
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\(\style{font-family:Times New Roman;}{\widehat p}\) will always be the same asp.
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\(\style{font-family:Times New Roman;}{\widehat p}\) is unbiased forp.
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\(\style{font-family:Times New Roman;}{\widehat p}\) must always be≤ p.
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\(\style{font-family:Times New Roman;}{\widehat p}\) will always be ≥p.