Could percentage of liberty family owning modern convenience

Reference no: EM131405608

A 1931 issue of Time magazine contained an advertisement for Liberty magazine. According to a study cited by Liberty, it was found that 15% of Liberty families had a "mechanical refrigerator," compared to just 8% for all U.S. families.

Assuming that the study included a sample of 120 Liberty families, and using the 0.01 level of significance, could the percentage of Liberty families owning this modern (for 1931) convenience be higher than for the nation overall?

Reference no: EM131405608

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