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Genrish500 [490]
3 years ago
15

in 2004, 34.2 million accountants e-filed income tax returns. this was 114% of the number who e-filed in 2003.

Mathematics
1 answer:
ASHA 777 [7]3 years ago
4 0
Find one percent by dividing it by 100, then multiply it by 114 and you will have your answer cx
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Erica purchased adult and youth tickets for a movie. She bought x adult tickets for $7 each and y youth tickets for $5. Write an
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The answer is A.  X represents adults, Y represents youth.
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Demi has 21 baseball cards and 13 football cards.
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Answer:

89

Step-by-step explanation:

21+13+19+36=89

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Which expression is equivalent to (3b + 2r) + (4b + r)?
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(3b + 2r) + (4b + r)

3b+4b +2r+r

7b +3r

Choice B


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3 years ago
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A manufacturer of detergent claims that the contents of boxes sold weigh on average at least 20 ounces. The distribution of weig
jenyasd209 [6]

Answer:

z=\frac{19.87-20}{\frac{0.4}{\sqrt{25}}}=-1.625    

The p value for this case would be given by:

p_v =P(z  

Since the p value is higher than the significance level provided we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true mean is not significantly less than 20 ounces.

Step-by-step explanation:

Information provided

\bar X=19.87 represent the sample mean

\sigma=0.4 represent the population deviation

n=25 sample size  

\mu_o =68 represent the value that we want to test

\alpha=0.01 represent the significance level

z would represent the statistic

p_v represent the p value

Hypothesis to test

We want to test if the true mean is at least 20 ounces, the system of hypothesis would be:  

Null hypothesis:\mu \geq 20  

Alternative hypothesis:\mu < 20  

The statistic is given by:

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}}  (1)  

Replacing the info given we got:

z=\frac{19.87-20}{\frac{0.4}{\sqrt{25}}}=-1.625    

The p value for this case would be given by:

p_v =P(z  

Since the p value is higher than the significance level provided we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true mean is not significantly less than 20 ounces.

7 0
3 years ago
I am so confused how am I supposed to do this
solniwko [45]
Rise over run, -2/4 or -1/2 so the slope is -1/2 or -0.5. (View picture) And the slope is negative because you are going down wards \ and the "rise" is going down.


6 0
3 years ago
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