3 years ago

Determine whether the following argument is valid or invalid.

Mathematics

1 answer:

prisoha [69]3 years ago

8 0

I think it’s the Law of Syllogism.

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-3/10b=2/5 what is b in this equation

forsale [732]

X = -4/3
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3 years ago

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Consider the graph of f(x) below. The graph contains the points (0, 1) and (5, 4).

Bezzdna [24]

Answer:

f(x)=x+3

Step-by-step explanation:

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3 years ago

The product of two consecutive odd integers is 255. Find the integers.

Grace [21]

Answer:

255 5,6 7,78

Step-by-step explanation:

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2 years ago

The ratio of girls to boys in jame’s chorus is 2 to 4. If there are 25 girls in her chorus, how many boys are there ?

Brilliant_brown [7]

Answer:

There are 50 boys

Step-by-step explanation:

girls to boys - 2:4

so 25x2=50

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3 years ago

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:

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

5 0

3 years ago