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AlexFokin [52]
2 years ago
13

. The following set of ordered pairs represents y as a function of x. Which

Mathematics
1 answer:
Assoli18 [71]2 years ago
4 0

Answer: Justice

Step-by-step explanation: The answers justice

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(2 points) An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans have brown eyes. A
lara31 [8.8K]

Answer: a) z=1.43

b) 0.1528

Step-by-step explanation:

The given set of hypothesis :

H_0:p=0.45

H_a:p\neq0.45

Since the alternative hypothesis H_a is two-tailed , so we perform two-tailed test.

Also, it is given that : A random sample of n=76 Americans found 28 with brown eyes.

Sample proportion: \hat{p}=\dfrac{28}{76}=0.3684

a) The z-statistic would be :-

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

\Rightarrow\ z=\dfrac{0.3684-0.45}{\sqrt{\dfrac{0.45(1-0.45)}{76}}}=-1.4299121397\approx-1.43

b) P-value for two-tailed test = 2P(Z>|z|)= 2P(z>|-1.43|)

=2P(z>1.43)

=2(1-P(z≤1.43)

=2-2P(z≤1.43)

= 2-2(0.9236)[Using standard z-table]

= 2-1.8472=0.1528

Hence,  the P-value of the test= 0.1528

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3 years ago
What is the answer to <br> 6x&gt; -54
Anestetic [448]

Answer:

6 times whatever x is would be greater that -54

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Jonathan had 28 papers in his desk his teacher gave him n more papers write an expression that represent the number of papers Jo
Delvig [45]

Answer:

x=28+n

Step-by-step explanation:

So, the teacher is giving Jonathan papers so we know its addition.

28+n

So lets have x equal the amount of papers he has on his desk after the new papers are added.

x=28+n

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scZoUnD [109]

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It should be 5.99x+4, where x is the number of pizzas ordered.

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Please help 25 points!
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The answer is 2268pi ft^3

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