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RoseWind [281]
3 years ago
11

At Glenridge High School, 20 percent of the

Mathematics
1 answer:
Makovka662 [10]3 years ago
3 0

Answer:

40 percent

Step-by-step explanation:

60 - 20 = 40

Reasoning: The amount of seniors that attended was 20 percent, so 60 (total students) percent minus 20 percent is equal to 40 percent.

Hope this helps!

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6h + 4 = 8 solve for h
Greeley [361]

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3 years ago
I need help with the incorrect ones please
Morgarella [4.7K]

Answer:

73.6

61.824

.2776

2.3

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*note* I had trouble reading the standard deviation of the second part, so if it's not 3 then leave a comment and i will fix it*

Step-by-step explanation:

1.)

the mean would be something like 460*.16= 73.6

The variance should be 460*.16(1-.16)= 61.824 which means the standard deviation is √61.824= 7.863

for p to be less than .15 it would have to be less than .15*460= 69

(69-73.6)/7.863= -.59 which has a probability of .2776

2.)

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I am thinking that it's three which would mean that the standard deviation would be √(3²*(1/5))= 1.342

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5 0
2 years ago
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