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UNO [17]
3 years ago
9

Find the circumference of a circle. Geometry

Mathematics
1 answer:
MaRussiya [10]3 years ago
7 0
The circumstances of the circle is 62.83
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Natalka [10]

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I think that it would be d because 9 is 3/4 of 12 and 45 is 3/4 of 60

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A 95% confidence interval for the mean of a population is to be constructed and must be accurate to within 0.3 unit. A prelimina
serious [3.7K]

Answer:

Sample size should be atleast 617

Step-by-step explanation:

given that a 95% confidence interval for the mean of a population is to be constructed and must be accurate to within 0.3 unit.

i.e. margin of error <0.3

Std devition sample = 3.8

For 95% assuming sample size large we can use z critical value

Z critical = 1.96

we have

1.96 * std error 616.3634

Sample size should be atleast 617 to get an accurate margin of error 0.3

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3 years ago
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Paul [167]
120+150=270
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3 years ago
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Aleksandr [31]

Answer: neither

Step-by-step explanation: because 64 kg and 640000g are equal masses.

3 0
3 years ago
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