According to time magazine june 11 2012 33 of all cars sold


SUVs

According to Time magazine (June 11, 2012), 33% of all cars sold in the United States are SUVs. Suppose a random sample of 500 recently sold cars shows that 145 are SUVs.

39_SUVs.png


a. Write the null and alternative hypotheses to test that fewer than 33% of cars sold are SUVs.

b. Report the value of the test statistic (z) from the figure.

 

 

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Basic Statistics: According to time magazine june 11 2012 33 of all cars sold
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