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Elan Coil [88]
3 years ago
15

PLEASE HELP I WILL MARK BRAINLIST!!

Mathematics
2 answers:
lina2011 [118]3 years ago
7 0

Answer:

umm whats the question-

umka21 [38]3 years ago
4 0

help you in what man?

there is no question

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A line of best fit is f(x) ≈ −0.86x + 13.5 for the set of points in the table
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Because it is

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Cindy asked her friends how many times they had watched a particular movie, with the results of 1,0,1,3,2, and 7. What is the me
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Consider an urn containing 8 white balls, 7 red balls and 5 black balls.
weqwewe [10]

Answer + Step-by-step explanation:

1) The probability of getting 2 white balls is equal to:

=\frac{8}{20} \times \frac{7}{19}\\\\= 0.147368421053

2) the probability of getting 2 white balls is equal to:

=C^{2}_{5}\times (\frac{8}{20} \times \frac{7}{19}) \times (\frac{12}{18} \times \frac{11}{17} \times \frac{10}{16})\\=0.397316821465

3) The probability of getting at least 72 white balls is:

=C^{72}_{150}\times \left( \frac{8}{20} \right)^{72}  \times \left( \frac{7}{20} \right)^{78}  +C^{73}_{150}\times \left( \frac{8}{20} \right)^{73}  \times \left( \frac{7}{20} \right)^{77}  + \cdots +C^{149}_{150}\times \left( \frac{8}{20} \right)^{149}  \times \left( \frac{7}{20} \right)^{1}  +\left( \frac{8}{20} \right)^{150}

=\sum^{150}_{k=72} [C^{k}_{150}\times  \left( \frac{8}{15} \right)^{k}  \times \left( \frac{7}{15} \right)^{150-k}]

5 0
1 year ago
Read 2 more answers
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Hope this helps!

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(puc-sp) Certa mercadoria que custava r$ 12,50 teve um aumento, passando a custar r$14,50.A taxa de reajuste sobre o preço antig
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<span>Im certeza as respostas onde é de R $ 2,00





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3 years ago
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