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attashe74 [19]
3 years ago
9

If a sample mean is 7 and the confidence interval is from 4 to 10, then the

Mathematics
1 answer:
Alisiya [41]3 years ago
5 0

Answer:

±3

Step-by-step explanation:

4 - 7 = -3

10 - 7 = 3

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Step-by-step explanation:

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The cost price of a box and a pen is Rs 120. The box is sold at 10% profita the pen is sold at 10% loss. If the selling price of
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What are these answers?
Inessa05 [86]
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