3 years ago

Which mathematical symbol would best fill in the blank to compare the two real numbers?

Mathematics

1 answer:

stellarik [79]3 years ago

4 0

Answer: The correct options is (A)

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times 40 by 0.9 which will give you 36
then take 36 away from 40 leaving you with 4.

answer = 4ft

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Kiran and his cousin work during the summer for a landscaping company. Kiran's cousin has been working for the company longer, s

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Kiran earns $8.50 per hour.

Let x represent Kiran's pay. He worked 23 hours last week, so his pay would be given by 23x.

Kiran's cousin is paid 30% more. 30% = 30/100 = 0.3. We add this to the x per hour that Kiran is paid:

x + 0.3x = 1.3x

This is multiplied by 27, since Kiran's cousin works 27 hours:
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This gives us the following equation:
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3 years ago

Testing to see if there is evidence that the proportion of US citizens who can name the capital city of Canada is greater than 0

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Answer:

b) B and D and c) A and C

Step-by-step explanation:

The hypotheses would be:

$H_0: p =0.75\\H_a: p >0.75$

(Right tailed test at 5% level)

Sample proportions are

Sample A B C D

Success 31 34 27 38

Proportion p 0.775 0.85 0.675 0.95

Std error

(sqrtpq/n) 0.066 0.056 0.074 0.034

p diff

p-0.75 0.025 0.10 - 0.075 0.20

Z stat

p diff/SE 0.0757 1.77 1.01 5.80

p value 0.469 0.038 0.156 0.000001

we find that p value is more smaller than alpha, the more accurate the alternate hypothesis.

b) Only B and D provide against the null. Because p <0.05

c) A and C provide no evidence for the alternative because p >0.05

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