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Mathematics, 21.04.2020 22:31 kdobi
A random sample of 40 college students has a mean earnings of $3120 with a sample standard deviation of $677 over the summer months. Determine whether a normal distribution or a t-distribution should be used or whether neither of these can be used to test a claim: μ > $3000.
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A random sample of 40 college students has a mean earnings of $3120 with a sample standard deviation...
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