Mathematics, 29.01.2020 03:57 bri663
The manufacturer of the x-15 steel-belted radial truck tire claims that the mean mileage the
tire can be driven before the tread wears out is 60,000 miles. the standard deviation of the
mileage is 5,000 miles. viking truck company bought 48 tires and found that the mean
mileage for their trucks is 59,500 miles. is viking's experience different from that claimed by
the manufacturer at the 0.05 significance level?
(a) state the null hypothesis and the alternative hypothesis. (b) state the decision rule.
(b) compute the value of the test statistic. (d) what is your decision regarding h0 ?
(e) what is the p-value? interpret it.
Answers: 1
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The manufacturer of the x-15 steel-belted radial truck tire claims that the mean mileage the
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