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Yuri [45]
3 years ago
9

In a recent survey of students who graduated from a large public high school, nine out of ten students reported that they passed

biology with a grade of seventy-five percent or higher. What are other data could be produced to be sure that this information is accurate?
Mathematics
1 answer:
vladimir2022 [97]3 years ago
4 0
A review of the students’ school transcripts
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How is this number read? 14.102
qwelly [4]

Answer:

fourteen and one-hundred-two

Step-by-step explanation:

we tend to read "." as "point" but the proper reading would be to read the number left to the decimal point (14), add the word "and" and then read the number to the right of the decimal point (102)

5 0
2 years ago
A public health official is planning for the supplyof influenza vaccine needed for the upcoming flu season. She wants to estimat
Marizza181 [45]

Answer:

n=\frac{0.5(1-0.5)}{(\frac{0.04}{1.64})^2}=420.25  

And rounded up we have that n=421

Step-by-step explanation:

We know that the sample proportion have the following distribution:

\hat p \sim N(p,\sqrt{\frac{p(1-p)}{n}})

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 90% of confidence, our significance level would be given by \alpha=1-0.90=0.1 and \alpha/2 =0.05. And the critical value would be given by:

z_{\alpha/2}=-1.64, z_{1-\alpha/2}=1.64

The margin of error for the proportion interval is given by this formula:  

ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}    (a)  

And on this case we have that ME =\pm 0.04 and we are interested in order to find the value of n, if we solve n from equation (a) we got:  

n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}   (b)  

We assume that a prior estimation for p would be \hat p =0.5 since we don't have any other info provided. And replacing into equation (b) the values from part a we got:

n=\frac{0.5(1-0.5)}{(\frac{0.04}{1.64})^2}=420.25  

And rounded up we have that n=421

5 0
3 years ago
What is 9x9x9x9x9x9x9x9x9x9x9x9x9x9 <br> DO NOT LOOK AT THE CALCULATOR!
Elis [28]

Answer:

The answer is either 2.2876792e+13  or 126

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
How many subsets of the set $\{1,2,3,4, 5, 6, 7, 8, 9, 10\}$ contain the number 5?
lianna [129]
For the given set of numbers:
<span>{1,2,3,4, 5, 6, 7, 8, 9, 10}
the number of elements
n=10
the total number of subsets is given by:
2^10=1024

</span>
6 0
3 years ago
Please help! I will mark as brainliest IF answer is right. &lt;3
pantera1 [17]

Answer:

420/69

Step-by-step explanation:

8 0
3 years ago
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