The mean length of prison time was found to be 35 years

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1. A local politician, running for reelection, claims that the mean prison time for car thieves is less than the required 4 years. A sample of 80 convicted car thieves was randomly selected, and the mean length of prison time was found to be 3.5 years with a standard deviation of 1.25 years at  alpha=  .05, test the politician's claim.

Reference no: EM13471662

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