A random sample of 43 taxpayers claimed an average of $9,853 inmedical expenses for the year. Assume the population standarddeviation for these deductions was ?2,418. Construct confidenceintervals to estimate the average deduction for the population withthe levels of significance shown below.
a.1%
b.5%
c.20%
a. The confidence interval with a 1% level ofsignificance has a lower limit of _____ and an upper limit of______.
b. The confidence interval with a 5% level ofsignificance has a lower limit of _____ and an upper limit of______.
c. The confidence interval with a 20% level ofsignificance has a lower limit of _____ and an upper limit of______.
