4 plates and 3 cups cost 16.70 dollars. 5 plates and 4 cups cost 21.20 dollars. Each plate costs the same amount as the other pl
1 answer:
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Answer: -1.7
Step-by-step explanation:
Given : Another home business has an average income of $1.200.00 per month with a standard deviation of $100.00.
i.e.
Let x represents the monthly income.
Since .
For x= 1030 , we have
Hence, the required z-score = -1.7