Shaver Manufacturing Inc. offers dental insurance to its employees. A recent study by the human resource director shows the annual cost per employee per year followed the normal probability distribution, with a mean of $1,280 and a standard deviation of $420 per year. Use Appendix B.3. What probability of the employees costs between $1,500 and $2,000 per year? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

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A: From the given information, μ=8040σ=5000n=100

Q: Part D please

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A: Standard deviations=σ=2.8532 k=3.25

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Q: Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the…

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A: given data normal distribution population mean  = 600 population sd = 20

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A:

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Q: approximately

A:

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A:

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A:

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A:

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A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.