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Studentka2010 [4]
4 years ago
11

Find the probability of answering the first three multiple choice questions correctly

Mathematics
1 answer:
alisha [4.7K]4 years ago
4 0
1/12 if each Question is A-D
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With data from the 2009 National Health Interview Survey, the Centers for Disease Control estimated that 9.4% of U.S. children h
egoroff_w [7]

Answer:

0.12 -1.96*0.013= 0.094

0.12 +1.96*0.013= 0.146

And the best option would be:

0.094 to 0.146

Step-by-step explanation:

For this case we have the following info given:

\hat p=0.12 represent the proportion estimated

SE = 0.013 represent the standard error

Confidence =0.95 represent the confidence level

The confidence interval for the true proportion is given by:

\hat p \pm z_{\alpha/2} SE

And for 95% of confidence the critical value is z_{\alpha/2}= 1.96 and replacing we got:

0.12 -1.96*0.013= 0.094

0.12 +1.96*0.013= 0.146

And the best option would be:

0.094 to 0.146

5 0
3 years ago
HELPPP(EASY MATH?) DOWN BELOW! (;
Klio2033 [76]
The answer will be B, you got the slope right but you got the intercept wrong. The y-intercept is always the constant.
8 0
3 years ago
Read 2 more answers
ILL GIVE BRAINIEST TO THE CORRECT ANSWER!!!
lesya692 [45]

Answer:

A

Step-by-step explanation:

example -2 is smaller than 1. and -7 is smaller than -2

8 0
3 years ago
3(x – 4) + 7 = 5x? Help please.
dexar [7]

Answer:

x=-2.5

Step-by-step explanation:

3x-12+7=5x

-5=2x

-2.5=x

3 0
3 years ago
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Is the square root of 12 over 0 rational, irrational, or imaginary?
kobusy [5.1K]
Trick question. It isn't any of the above. Any number divided by 0 is undefined.
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