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brilliants [131]
4 years ago
6

Two​ researchers, Jaime and​ Mariya, are each constructing confidence intervals for the proportion of a population who is​ left-

handed. They find the point estimate is 0.27. Each independently constructed a confidence interval based on the point​ estimate, but​ Jaime's interval has a lower bound of 0.242 and an upper bound of 0.298​, while​ Mariya's interval has a lower bound of 0.188 and an upper bound of 0.286. Which interval is​ wrong? Why?
Mathematics
1 answer:
alekssr [168]4 years ago
8 0

Answer:

Mariya​'s interval is wrong because it is not centered on the point estimate

Step-by-step explanation:

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How to find the median on a dot plot?
pickupchik [31]

Answer:

In order to find the median of the data you take every value and order it from least to greatest. When you do this make sure you write a number the correct amount of times. for example if there are 4 dots above 6 on the dot plot then you need to make sure you write 6 4 times. After you have all the data from least to greatest find the number in the middle. that is the median.


4 0
4 years ago
When you have two side lengths of 2in and 4.5in What is the other side length?
nika2105 [10]

Answer:

The solution for the other side length is the interval

(2.5,6.5)

Step-by-step explanation:

I will assume that is a triangle

we know that

The <u><em>Triangle Inequality Theorem</em></u> states that the sum of any 2 sides of a triangle must be greater than the measure of the third side

Let

x ---> the measure of the third side

Applying the Triangle Inequality Theorem

1) 2+4.5 > x

6.5 > x

Rewrite

x < 6.5\ in

2) 2+x> 4.5

x> 2.5\ in

therefore

The solution for the other side length is the interval

(2.5,6.5)

5 0
4 years ago
What is 30% of 70?? please help
melamori03 [73]

Answer:

<h2>21</h2>

Step-by-step explanation:

<em>Method 1:</em>

p\%=\dfrac{p}{100}\\\\30\%=\dfrac{30}{100}=\dfrac{3}{10}=0.3\\\\30\%\ of\ 70\ is\\\\0.3\cdot70=21

<em>Method 2:</em>

\begin{array}{cccc}100\%&-&70&\text{divide both sides by 10}\\\\10\%&-&7&\text{multiply both sides by 3}\\\\30\%&-&21\end{array}

4 0
4 years ago
2 2/3 divided by 1/3?
sergejj [24]
2 2/3 = 2x3+2/3 = 8/3
8/3 / 1/3 = 8/3 x 3/1 = 8/1 = 8
4 0
3 years ago
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Anna35 [415]

Answer:

c ) Turn off her phone until she is on a break

3 0
3 years ago
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