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To estimate the mean amount spent on pharmaceutical products over the past three months the owner of Relax Drug store took a random sample of
To estimate the mean amount spent on pharmaceutical products over the past three months the owner of Relax Drug store took a random sample of 64 customers.From his sample he obtained a mean of $175.He is 95% confident that the true mean amount spent on pharmaceutical products during the past three months is between $168.80 and $181.20.
What is the point estimate of the true mean amount spent on pharmaceutical products during the past threemonths?
Question 11 options:
2.5%
$175.00
5%
$181.20
$168.80
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