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alex41 [277]
2 years ago
11

37​% of a certain​ country's voters think that it is too easy to vote in their country. you randomly select 12 likely voters. fi

nd the probability that the number of likely voters who think that it is too easy to vote is​ (a) exactly​ three, (b) at least​ four, (c) less than eight.
Mathematics
1 answer:
Elenna [48]2 years ago
4 0
Multiply 12 by 37%.
12 × 0.37 = 4.44

B) at least 4

It could also be c... 4.44 is less than 8. But B is the closest answer to 4.44.
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What is twice 230? Write using exponents. Explain your reasoning.​
Zielflug [23.3K]
2 x 230 = 231
I’m not 100% sure if this is correct?? Hope it helps though
6 0
3 years ago
What is the slope of the line, y=5−4x?
hoa [83]

Answer:

(m) =  

ΔY

ΔX

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Step-by-step explanation:

3 0
2 years ago
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Carmine buys 2 plates for $4 each. He also buys 12 bowls. Each bowl costs twice as much as each plate. The store is having a sal
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Answer

2p+12b=12

Step-by step explanation

I used p for plates and b for bowls\

2p+12b=4+(4*2)

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4 0
2 years ago
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The ratio of lemon to water in 80 fluid ounces of lemonade id 3:1 the lemonade was diluted futher if the ratio was 3:2 how much
andriy [413]

Answer:

I think 53.334 ounces were added to dilute the lemonade

4 0
2 years ago
The mean of the scores obtained by a class of students on a physics test is 42. The standard deviation is 8%. Students have to s
NemiM [27]
<span><u><em>The correct answer is:</em></u>
16%.

<u><em>Explanation</em></u><span><u><em>: </em></u>
We use a z-score to answer this question.
<u>The formula for a z-score is:</u>
 z=</span></span>\frac{x-mue}{sigma}<span><span>,
where mue is the mean and sigma is the standard deviation.

<u>Using our information, we have:</u>
z=</span></span>\frac{50-42}{8} =  \frac{8}{8} = 1<span><span>.

Using a z-table, we see that the area to the left of, or less than, this score is 0.8413. We want to know how many students scored more than this, so we subtract from 1:
1-0.8413=0.1587, which rounds to 16%.</span></span>
7 0
3 years ago
Read 2 more answers
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