2 years ago

I WILL MARK BRAINIEST

Mathematics

1 answer:

Allushta [10]2 years ago

5 0

It’s 2x the size I believe :)

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Suppose that past history shows that 60% of college students prefer brand c cola. a sample of 5 students is to be selected. base

creativ13 [48]

The probability is 0.337.

The probability that more than 3 prefer brand c is the same as finding the probability that 4 or 5 prefer brand c. Using a binomial distribution,

$_5C_4(0.6)^4(0.4)^{5-4}+_5C_5(0.6)^5(0.4)^{5-5}
\\
\\=\frac{5!}{4!1!}(0.6)^4(0.4)^1+\frac{5!}{5!0!}(0.6)^5(0.4)^0
\\
\\=5(0.6)^4(0.4)+1(0.6)^5(1)=0.33696\approx0.337$

4 0

2 years ago

What 2 square numbers have a difference of 55

Mrrafil [7]

$a^2-b^2 =55 \\ \\ 28^2 -27^2=55 \\ \\ 28^2 =784 \\ \\27^2 =729 \\ \\ 784-729=55 \\ \\ \\ \sf So,~the~ difference~ of~ the~ two~ squares~ of~ 28~ and~ 27~ equals~ to~ 55.$

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3 years ago

I need help quick! <br> what is the coordinate of the midpoint GO

Zolol [24]

0 because the number in the middle is the midpoint.

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2 years ago

Read 2 more answers

Simplify.

kenny6666 [7]

The answer you are looking for is -5x^5-5x^4+6x^3-x^2-7x+20
-I hope this is the answer you are looking for, please feel free to post your future questions on Brainly.com.

4 0

2 years ago

<img src="https://tex.z-dn.net/?f=f%20-%20354%20%3D%201221" id="TexFormula1" title="f - 354 = 1221" alt="f - 354 = 1221" align="

alukav5142 [94]

$f-354=1221$ <em>add 354 to both sides</em>

$f+354-354=1221+354\\\\\boxed{f=1,575}\to\boxed{D.}$

6 0

3 years ago