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mihalych1998 [28]
2 years ago
6

What is 87% of 240 in math

Mathematics
1 answer:
pogonyaev2 years ago
3 0

Answer:

208.8

Step-by-step explanation:

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A random sample of 12 recent college graduates reported an average starting salary of $54,000 with a standard deviation of $6,00
Marianna [84]

Answer: a.) $50188 to $57812

Step-by-step explanation: <u>Confidence</u> <u>Interval</u> (CI) is an interval of values in which we are confident the true mean is in.

The interval is calculated as

x ± z\frac{s}{\sqrt{n} }

a. For a 95% CI, z-value is 1.96.

Solving:

54,000 ± 1.96.\frac{6000}{\sqrt{12} }

54,000 ± 1.96\frac{6000}{3.464}

54,000 ± 1.96*1732.102

54,000 ± 3395

This means the interval is

50605 < μ < 57395

<u>With a 95% confidence interval, the mean starting salary of college graduates is between 50605 and 57395 or </u><u>from 50188 to 57812$.</u>

<u />

b. The mean starting salary for college students in 2017 is $50,516, which is in the confidence interval. Therefore, since we 95% sure the real mean is between 50188 and 57812, there was no significant change since 2017.

4 0
2 years ago
What is -2(3x+12y-5-17x-16y+4) simplified?
CaHeK987 [17]
28x + 8y + 2 is the simplified version.
7 0
3 years ago
Read 2 more answers
Can someone help me ​
Yanka [14]

Answer:

C

Step-by-step explanation:

if right mark brainlyest

7 0
3 years ago
Select the correct answer.
insens350 [35]

Answer:

3,158

Step-by-step explanation:

The formula is :

h(x)=-49(x)-125

h(-67)=(-49)*(-67)-125

h(-67)=3283-125

h(-67)=3158

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B25%20%7D%7B5%20%7D%20%20%2B%20%20%5Cfrac%7B1%7D%7B5%7D%20" id="TexFormula1" title
Sliva [168]
Answer:
25/5+1/5
=5+1/5
=26/5
6 0
2 years ago
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