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andreyandreev [35.5K]
3 years ago
13

Another math question I couldn't figure out.

Mathematics
1 answer:
Grace [21]3 years ago
7 0

I believe the answer is 764.90. 3% of 700 is 21, then add that to 700- have three percent of that- add it to the 721, find 3% of that, then three percent of that then add that to 700 :)

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American households increasingly rely on cell phones as their exclusive telephone service. It is reported that 50.4% of American
OLga [1]

The variance of the binomial distribution of the number of households with landline service is 2.

<h3>What is the binomial probability distribution?</h3>

It is the probability of <u>exactly x successes on n repeated trials, with p probability</u> of a success on each trial.

The variance of the distribution is given by:

V(X) = np(1 - p)

In this problem, the parameters are given as follows:

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More can be learned about the binomial distribution at brainly.com/question/24863377

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2 years ago
Solve the following for the variable for 180-x=3(90-x)
lara31 [8.8K]
X = 45 is the answer
180-x = 3(90-x)
=> 180-x = 270 - 3x
=> -x+3x = 270-180
=> 2x = 90
=> x = 90/2
=> x = 45
Please mark brainliest.
Have good day :)
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Answer:

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Subtact: (3x + 4) - (x + 2)​
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Ok this is the answer to this question 2(x+1)
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Read 2 more answers
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