dominicmartino99 dominicmartino99

30-04-2024
Engineering

Answered

Measurements of the ranges of a fully charged electric car (EV) is Gaussian distributed
with the following values in miles: 220, 225, 230, 250, 250, 260, and 270.
(a) Construct a 95% confidence interval for the mean of the a fully charged EV’s range if the standard
deviation of the range is known at 20 miles.
(b) Construct a 95% confidence interval for the mean of the a fully charged EV’s range if the standard
deviation of the range is is unknown.

Answer :

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