Question: Help solving Show work thanks Problem #5: A recent study shows college students prefer to buy coffee at a coffee shop instead of making it

Help solving Show work thanks

Problem #5: A recent study shows college students prefer to buy coffee at a coffee shop instead of making it at home. A random sample of 30 college students reveal an average monthly expenditure on coffee of about $93 with a sample standard deviation of $12. If the distribution of monthly coffee expenditure can be assumed as normal, construct and interpret a 95% confidence interval for the true average expenditure on coffee of college students

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