A car company claims that the average price of their new car is less than $11,500 with a standard deviation of $1500.
You feel that the average price is more than the company claims so you check the price stickers on 32 cars and find the average price is $12,200.
At α = 0.01, there is sufficient evidence to reject the null hypothesis, H0 : μ < $11,500 .
True
or
False
2007-04-28 11:34:01 · 2 answers · asked by Jake 1 in Science & Mathematics ➔ Mathematics
False. 12,200 is within one σ of 11,500, and no σ is given for the sample.
2007-04-28 18:10:19 · answer #1 · answered by Helmut 7 · 0⤊ 0⤋
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2016-12-28 04:04:13 · answer #2 · answered by chottu 3 · 0⤊ 0⤋