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Greeley [361]
3 years ago
14

Information collected from runner 3# is in the table below

Mathematics
1 answer:
Shtirlitz [24]3 years ago
5 0

Answer:

the constant of proportionality would be 9

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Which variable expression represents the word phrase? the sum of 4 and the quotient of a number and
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A sample of 14001400 computer chips revealed that 311% of the chips do not fail in the first 10001000 hours of their use. The co
Archy [21]

Answer:

There is sufficient evidence at 0.05 significant level to support company's claim.

Step-by-step explanation:

We have these informations from the question

n = 1400

P^ = 31% = 0.31

Alpha level = 5% = 0.05

Then we come up with the hypothesis

H0: P = 0.28

H1: P>0.28

From here we calculate the test statistic

z = p^ - p/√pq/n

P = 0.28

q = 1-0.28

= 0.72

z = 0.31-0.28/√(0.31*0.72)/1400

= 0.03/√0.0001594

= 0.03/0.012

= 2.5

Then we have a p value = 0.00621

The p value is less than significance level

0.00621<0.05

So the null hypothesis is rejected.

We conclude that There is sufficient evidence at 0.05 significant level to support company's claim.

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2 years ago
Answer: y = 50 + 25x; $200
Alexxandr [17]

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400

Step-by-step explanation:

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3 years ago
The Unit Circle
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Step-by-step explanation:

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Can someone help with this question
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Answer:

133pi

98% sure this is right

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Step-by-step explanation:

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