A random sample of 42 taxpayers claimed an average of ​$9,857 in
medical expenses for the...
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Statistics
A random sample of 42 taxpayers claimed an average of ​$9,857 inmedical expenses for the year. Assume the population standarddeviation for these deductions was ​$2,409. Construct confidenceintervals to estimate the average deduction for the population withthe levels of significance shown below.
a)1%
b)2%
c)20%
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4.1 Ratings (543 Votes)
1 99 Confidence Interval X Z 2 n Z2 Z 001 2 2576 9857 2576 240942 Lower Limit 9857 2576 240942 Lower Limit 889946 Upper
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