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katrin2010 [14]
3 years ago
15

90 Points. PLEASE HELPPP!!! ILL SELECT BRAINLIESST

Mathematics
1 answer:
forsale [732]3 years ago
6 0

Answer:

Step-by-step explanation:

A)

these are the intervals of people who are at least adults and are mature enough to take the survey seriously and answer correctly.

B)

You can say with 95 percent certain of the real mean of the population, but you acknowledge that due to difficulties such as, sampling error, real-life problems such as bad weather, bad vision of the surveyed, not knowing the language and due to bad wording, your answers are unsure is the range  of 8 percent due the fluctuation of data caused by bad circumstances.

C)

I believe there should be a quota of 50 to 50 percent to make the data the most equal, though I understand that there may not be an equal distribution of land and cell lines among the U.S. mature populace.

D)

(Since I don't have the data, I can't answer part 4)

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I really need help 2 days of school left I CAN'T FAIL.
xxMikexx [17]
A. 53/100


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4 0
3 years ago
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Four girls and six boys are in a Spanish club. Three of the people will be chosen at random to represent the group in a photogra
snow_tiger [21]

Answer:50 %

Step-by-step explanation:

Given

There are 4 girls and 6 boys in a club

Probability of choosing 1 girl and 2 boys is

=\dfrac{\text{No of ways of choosing 1 girl and 2 boys }}{\text{No of ways of choosing 3 member out of 10 member}}

No of ways of choosing 1 girl and 2 boys=^4C_1\times ^6C_2

P=\dfrac{^4C_1\times ^6C_2}{^{10}C_3}

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i.e. 50\%

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2 years ago
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