When 10 Randomly Selected Car Owners Are Surveyed, It Is

question 180

Multiple Choice

When 10 randomly selected car owners are surveyed, it is found that the mean length of time they plan to keep their car is 7.01 years, and the standard deviation is 0.74 years. Assume that times are normally distributed.
-How much evidence is there that the mean years is less than 7.5?

• A)No evidence
• B)Some evidence
• C)Strong evidence
• D)Very strong evidence
• E)Extremely strong evidence

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