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ArbitrLikvidat [17]
3 years ago
11

A group of teens were surveyed about whether they prefer to read books or listen to music. A 3-column table with 3 rows. Column

1 has entries boys, girls, total. Column 2 is labeled Books with entries 50.5 percent, 49.5 percent, 100 percent. Column 3 is labeled Music with entries 38.5 percent, 61.5 percent, 100 percent. Which conclusions can be drawn from the results of the survey? Check all that apply. A person in the group who is more likely to read is a boy. A person in the group who is more likely to listen to music is a girl. A person in the group who is more likely to listen to music is a boy. There is no association between preferring reading and gender. There is no association between preferring music and gender.
Mathematics
2 answers:
Ostrovityanka [42]3 years ago
8 0

Answer:

B, D

Step-by-step explanation:

on Edge :)

zimovet [89]3 years ago
4 0

Answer: B, D

Step-by-step explanation: On Edge!!!!!!!!!!!!

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Suppose an airport metal detector catches a person with metal 99% of the time. That is, it misses detecting a person with metal
frozen [14]

Answer:

The probability of missing the first metal-carrying person is P(x≤50)=0.395

Step-by-step explanation:

We define as success to: missing metal carrying detection.

p=0.01

P(x)=\frac{n!}{x!(n-x)!} p^x(1-p)^{n-x}

We look for the probability when all metal carring people is detected so x=0

P(x≤50)=1-P(x=0)=1 - 0.99^{50}=0.395

6 0
3 years ago
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mr_godi [17]

Answer:

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Step-by-step explanation:

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6 0
2 years ago
I need help fast what is 9m−​(3+7​m) simplified?
iogann1982 [59]

Answer:

Simplifying 9m + -3 + -7m = 0

Reorder the terms: -3 + 9m + -7m = 0

Combine like terms: 9m + -7m = 2m -3 + 2m = 0 Solving -3 + 2m = 0

Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right.

Add '3' to each side of the equation. -3 + 3 + 2m = 0 + 3 Combine like terms: -3 + 3 = 0 0 + 2m = 0 + 3 2m = 0 + 3 Combine like terms: 0 + 3 = 3 2m = 3

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Step-by-step explanation:

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4 0
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Answer:

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Step-by-step explanation:

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7 0
3 years ago
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Anton [14]

Answer:

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Step-by-step explanation:

Distribute 0.6 to the terms in the parentheses:

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4 0
3 years ago
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