Pattern A and B both start at 0. Which statement about the patterns is true?

Mathematics

2 answers:

My name is Ann [436]3 years ago

8 0

Answer:

I just did a test the correct answer is c

Step-by-step explanation:

zepelin [54]3 years ago

3 0

Answer:

in my opinion i think that the answer is c

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An environmental science teacher at a high school with a large population of students wanted to estimate the proportion of stude

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60 students

Step-by-step explanation:

The confidence interval of a proportion is given by:

$p\pm z*\sqrt{\frac{p*(1-p)}{n} }$

Where 'p' is the proportion of students who responded 'yes', 'z' is the z-score for a 95% confidence interval (which is known to be 1.960), and 'n' is the number of students in the sample.

If the confidence interval is from 0.584 to 0.816, then:

$p=\frac{0.584+0.816}{2}=0.7 \\0.816-0.584=2*(1.96*\sqrt{\frac{p*(1-p)}{n}}) \\0.116=1.96*\sqrt{\frac{0.7*(1-0.7)}{n}}\\n=16.8966^2*(0.7*0.3)\\n=60\ students$