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sarahmai95 sarahmai95
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3 weeks ago
Suppose the employees' share of annual health care costs for 2012 is thought to be bell-shaped and symmetrical with a mean of $2,764 and a standard deviation of $426. Based in this information, what interval of annual health care costs would we expect approximately 95% of employees to fall within?
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Business Statistics


Edition: 2nd
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omgitsdannieomgitsdannie
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3 weeks ago
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More questions for this book are available here
x = μ + z σ
x = $2,764 + (2)($426) = $3,616
x = $2,764 - (2)($426) = $1,912

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