www.helpyourmath.com is an OER website to help students to save money on textbooks and homework systems. A survey of 25

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answerhappygod
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www.helpyourmath.com is an OER website to help students to save money on textbooks and homework systems. A survey of 25

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www.helpyourmath.com is an OER website to help students to save
money on textbooks and homework systems. A survey of 25 randomly
selected students finds that they save a mean of $131 per semester
by using www.helpyourmath.com. Assume the date comes from a normal
distribution and the sample standard deviation is $18 per month.
Confidence Interval: What is the 95% confidence interval to
estimate the population mean? Round your answers to two decimal
places.
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