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2 years ago

BRAINLY FOR CORRECT ANSWER FOR ALL THREE MATH QUESTIONS <3 thank you <3

Mathematics

1 answer:

MA_775_DIABLO [31]2 years ago

8 0

Question 1

A

Question 2

D

Question 3

A

Hope this helps i hope you get a 100

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15% of $70 get it correct for a 100 I need proof first

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A study found that a 95% confidence interval for the mean μ of a particular population was computed from a random sample of 1200

kotykmax [81]

Answer:

95% confidence interval for the mean μ is (6,14)

The Population mean μ lies between ( 6, 14 )

Step-by-step explanation:

Explanation:-

Given random sample 'n' = 1200

95% confidence interval for the mean μ is determined by

$(x^{-} -Z_{\alpha } \frac{S.D}{\sqrt{n} } , x^{-} +Z_{\alpha } \frac{S.D}{\sqrt{n} } )$

Level of significance = 95% 0r 0.05

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95% of confidence intervals are

( 10 ±4 )

( 10 -4 , 10+4)

( 6 , 14 )

95% confidence interval for the mean μ lies between ( 6, 14 )

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2 years ago

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How many ziros in the number 1.8e10?

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