Part 1 of 5 Which sampling distribution should be used and why OA Use a...
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Part 1 of 5 Which sampling distribution should be used and why OA Use a normal sampling distribution because the population is normal and a is known OC Use a normal sampling distribution because the population is normal and a is unknown OE Use a t sampling distribution because the population is normal and o is known HW Score 60 13 23 45 of 39 points Points 0 of 1 A car company says that the mean gas mileage for its luxury sedan is at least 24 miles per gallon mpg You believe the claim is incorrect and find that a random sample of 5 cars has a mean gas mileage of 21 mpg and a standard deviation of 2 mpg At a 0 10 test the company s claim Assume the population is normally distributed Click here to view the t distribution table Click here to view page 1 of the normal table Click here to view page 2 of the normal table MIS Save OB Use a normal sampling distribution because n 30 OD Use a t sampling distribution because the population is normal and o is unknown OF Use a t sampling distribution because n 30
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