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lesantik [10]
3 years ago
10

A = (b*h) / 2 or A = :½ b*h. or A = 0.5*b*h ​

Mathematics
1 answer:
Oxana [17]3 years ago
5 0

Answer:

jklfhgugt

Step-by-step explanation:

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Linda planned to spend 9 hours practicing the piano this week. by tus​
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7 0
3 years ago
Use the confidence level and sample data to find a confidence interval for estimating the population mu. Round your answer to th
inysia [295]

Answer:

c. 9.5 lb < mu < 11.1 lb.

Step-by-step explanation:

Confidence interval can be stated as M±ME where

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margin of error (ME) around the mean can be calculated using the formula

ME=\frac{z*s}{\sqrt{N} } where

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Putting thesenumbers in the formula we get:

ME=\frac{1.96*2.4}{\sqrt{37} } ≈ 0.7733 ≈ 0.8

Then the 95% confidence interval would be 10.3 ± 0.8

7 0
3 years ago
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