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asambeis [7]
2 years ago
7

Solve 4p^2 – p=0. p=____, p=_____

Mathematics
1 answer:
Anon25 [30]2 years ago
8 0

Answer:

p= 0

p= 1/4

............

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An opinion poll asks a simple random sample of 100 college seniors how they view their job prospects. In all, 53 say "good." Doe
ValentinkaMS [17]

Answer:

We are tryng to proof if more than half of all seniors think their job prospects are good so that would be the alternative hypothesis and the complement rule would be the null hypothesis.:  

Null hypothesis:p\leq 0.5  

Alternative hypothesis:p > 0.5  

Step-by-step explanation:

Information provided

n=100 represent the random sample ofcollege senior selected

X=53 represent the college seniors who say good

\hat p=\frac{53}{100}=0.53 estimated proportion of seniors who think their job prospects are good

p_o=0.5 is the value that we want to test

z would represent the statistic

p_v represent the p value

System of hypothesis

We are tryng to proof if more than half of all seniors think their job prospects are good so that would be the alternative hypothesis and the complement rule would be the null hypothesis.:  

Null hypothesis:p\leq 0.5  

Alternative hypothesis:p > 0.5  

The statistic is given by:

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

Replacing the info given we have:

z=\frac{0.53 -0.5}{\sqrt{\frac{0.5(1-0.5)}{100}}}=0.6  

The p value for this case would be given by

p_v =P(z>0.6)=0.274  

7 0
4 years ago
The dotted line on this shape represents a line of symmetry.<br><br><br>True or False?​
sergiy2304 [10]

Answer:

True!

Step-by-step explanation:

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2 years ago
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If the diameter of a penny is 19.05 mm on each penny is 1.52 mm thick, what is the approximate volume of the roll of the roll of
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Answer:433.0mm3

Step-by-step explana

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The figure shows two parallel lines cut by a transversal. Which angle pairs are alternate interior angles? Choose all that apply
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Answer:

B. Angle D and Angle E

C. Angle C and Angle F

Step-by-step explanation:

Alternative Interior angles are not adjacent and are at opposite sides of the transversal.

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Answer:

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Step-by-step explanation:

First, add your x

Then, add your regular numbers.

Once you have that, write it down as one expression

4x + 13

That is the answer!

Hoped this helped you

4 0
3 years ago
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