Asked by jax
The average family spends $78 at the grocery store each week with a standard deviation of $25.
What percentage of families spend between $28 and $50? Explain in context what this represents.
What percentage of families spend between $28 and $50? Explain in context what this represents.
Answers
Answered by
oobleck
You can play around with Z table stuff at
davidmlane.com/hyperstat/z_table.html
davidmlane.com/hyperstat/z_table.html
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