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An insurance agent says that the mean cost of insuring a two - year-old sedan (in good condition) is less than $1200.A random sample of

An insurance agent says that the mean cost of insuring a two - year-old sedan (in good condition) is less than $1200.A random sample of 7 similar insurance quotes has a mean cost $1125 and a standard deviation of $55.Is there enough evidence to support the agent's claim at = 0.10?Assume the population is normally distributed.

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