A survey 250,000 of the Nigerian population reveals that 8% are HIV positive (i) provide a 95%?

... confidence interval estimate of the HIV positive Nigerians (ii) can we reject the claim that the HIV positive Nigerians are up to 11%? or:... co

... confidence interval estimate of the HIV positive Nigerians (ii) can we reject the claim that the HIV positive Nigerians are up to 11%?

or:... confidence interval estimate of the HIV positive Nigerians (ii) can we reject the claim that the HIV positive Nigerians are up to 11%?

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