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jeka94
3 years ago
9

3)Solve F(x) for the given domain. F(x) = x 2 + 3x - 2 F(-1) = a)-4 b)-6 c)2

Mathematics
1 answer:
Alja [10]3 years ago
6 0
The answer to the question is a) -4.

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A quality control engineer at a potato chip company tests the bag filling machine by weighing bags of potato chips. Not every ba
Ahat [919]

Answer:

z=\frac{0.21 -0.15}{\sqrt{\frac{0.15(1-0.15)}{100}}}=1.68  

Step-by-step explanation:

Information provided

n=100 represent the random sample taken

X=21 represent the number of bags overfilled

\hat p=\frac{21}{100}=0.21 estimated proportion of overfilled bags

p_o=0.15 is the value that we want to test

z would represent the statistic

Hypothesis

We need to conduct a hypothesis in order to test if the true proportion of overfilled bags is higher than 0.15.:  

Null hypothesis:p =0.7  

Alternative hypothesis:p > 0.15  

The statistic for this case is:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

And replacing the info given we got:

z=\frac{0.21 -0.15}{\sqrt{\frac{0.15(1-0.15)}{100}}}=1.68  

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3 years ago
Which polynomial is a quintic trinomial?
julsineya [31]
QUINTIC MEANS THAT THE HIGHEST DEGREE IS 5 and a trinomial has 3 terms 

So it is d
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Can complementary angles be supplementary
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Answer:

No they cannot.

Step-by-step explanation:

Hope this helps!

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a man buys a vehicle at a cost prize of R60 000 from Cape Town. He transported the vehicle from cape town to Gauteng province, w
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Answer:

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