Mathematics, 20.05.2021 18:10 Jenniferojeda2002
A leasing firm claims that the mean number of miles driven annually, , in its leased cars is less than miles. A random sample of cars leased from this firm had a mean of annual miles driven. It is known that the population standard deviation of the number of miles driven in cars from this firm is miles. Assume that the population is normally distributed.
Is there support for the firm's claim at the level of significance?
Perform a one-tailed test.
null hypothesis?
alternative hypothesis?
type of test statistic?
value of the test statistic?
the p-value?
Can we support the leasing firm's claim that the mean number of miles driven annually is less than 12800 miles?
Answers: 2
Mathematics, 21.06.2019 18:00
Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.
Answers: 3
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