A random sample of 20 recent weddings in a country yolded a mean wedding cost of $26,342 38. Assume that recent wedding costs in this country are normally distributed with a standa
deviation of $7900. Complete parts (a) through (c) below.
a. Determine a 95% confidence interval for the mean cost of all recent weddings in this country.
a) The 96% confidence interval is from $___ to $___
round to nearest cent
b) what’s the margin or error
Answers: 1
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A random sample of 20 recent weddings in a country yolded a mean wedding cost of $26,342 38. Assume...
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