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amid [387]
3 years ago
6

The box plot shows the number of new vocabulary words students learned last week. What

Mathematics
1 answer:
77julia77 [94]3 years ago
6 0

Answer:

the answer is 50%

Step-by-step explanation:

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According to a "how to stop bullying" Web site, 15% of students report experiencing bullying one to three times within the most
AlekseyPX

Answer:

His 95% confidence interval is (0.065, 0.155).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

n = 186, \pi = 0.11

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.11 - 1.96\sqrt{\frac{0.11*0.89}{186}} = 0.065

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.11 + 1.96\sqrt{\frac{0.11*0.89}{186}} = 0.155

His 95% confidence interval is (0.065, 0.155).

4 0
3 years ago
How many people will get candy?
Sever21 [200]

Answer:

22 people

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the value of n in the equation shown<br> below?<br> 2² x 2 = (24)
ANEK [815]

The answer I get


8=24
No solution
3 0
3 years ago
Cameron makes a quilt design using four congruent triangles as shown below. What is the perimeter of the entire design?
Lunna [17]

Answer: 64cm

Step-by-step explanation:

7 0
3 years ago
Here 1 more than BIG PRIZE
Firlakuza [10]
Hey there! :D

Use the distributive property.

a(b+c)= ab+ac

6(9x+2)+2x

54x+12+2x

56x+ 12 <== equivalent expression

I hope this helps!
~kaikers
4 0
3 years ago
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