Confidence interval to estimate the true cost of the vcr

Reference no: EM13337870

A survey of retail stores revealed that a particular brand andmodel of a VCR retails for $375 with a standard deviation of$20.

Develop a 95% confidence interval to estimate the true cost of the VCR.

a. $335.80 to $414.20

b. $335.00 to 415.00

c. 371.67 to 378.33

d. 371.73 to 378.27

e. none of the above

Reference no: EM13337870

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