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72 It is believed that Lake Tahoe Community College LTCC Intermediate Algebra students get seven...

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72 It is believed that Lake Tahoe Community College LTCC Intermediate Algebra students get seven hours of sleep per night on average A survey of 22 LTCC Intermediate Algebra students generated a mean of 7 24 hours with a standard deviation of 1 93 hours At a level of significance of 5 percent do LTCC Intermediate Algebra students get less than seven hours of sleep per night on average The distribution to be used for this test is X a N 7 24 1 93 22 h 724 193

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