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algol13
2 years ago
15

There are 12 boys and 16 girls in Marco's class (including Marco).What is the probability that a student chosen at random from M

arco's class will be a boy?
Mathematics
1 answer:
Len [333]2 years ago
5 0

Answer: 3:4 ratio or 3/4

Step-by-step explanation:

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matrenka [14]

Answer:

8.22899353m

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Step-by-step explanation:

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5 0
3 years ago
A Type I error is committed when a. you don't reject a null hypothesis that is true. b. you don't reject a null hypothesis that
e-lub [12.9K]

Answer:

c. you reject a null hypothesis that is true

Step-by-step explanation:

We need to remember the following concepts

Error type I: Is an error associated to the probability of reject a null  hypothesis when it is actually true

Error type II: Is an error associated of not rejecting a null  hypothesis when the alternative hypothesis is the true

And the best answer for this case would be:

c. you reject a null hypothesis that is true

4 0
3 years ago
The slope of a line is 2/3<br> What is the slope of a line that is perpendicular to this line?
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The correct answer should be -3/2

6 0
3 years ago
Anyone know this?????
pishuonlain [190]
If I’m not wrong the answer should be 75
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3 years ago
Read 2 more answers
Factor 3x2 - 15x - 42.
11Alexandr11 [23.1K]
3 x^{2} - 15x - 42
(x-7)(x+2)
 x-7=0 x+2=0
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8 0
3 years ago
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