Question
t-distribution and finding probabilities To estimate the average monthly living expenses for a college student in...
t-distribution and finding probabilities
To estimate the average monthly living expenses for a college student in the university you attend, a random sample of 61 students was selected. The resulting average monthly expenses was $1500 with a standard deviation of $1,000. Construct a 90% confidence interval and interpret it.
Homework Answers
Answer #1
from above 90% confidence interval for mean =1286.05 to 1713.95
we have 90% confidence that above interval contain true average monthly expense for a college student in the attended university
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