Critical values for the same level
Conceptually, why does it make sense that the t critical values are always as large or larger than z critical values for the same level of confidence?
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The tool shop has 8 power screw drivers and two have a short. A foreman takes 4 of screw drivers to his crew. That is the probability that fewer than two have a short?
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Discuss the difference between mutually exclusive and independent events.
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Determine the approximate shape of the distribution of the sample means(uniform, normal, skewed, other)? What value do the sample means tagert?
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