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MissTica
2 years ago
8

5 shirts for $30.00 Rate: What go's here Unit Rate: What go's here? Pls help!

Mathematics
1 answer:
MAXImum [283]2 years ago
8 0

Step-by-step explanation:

that each shirt is 6 dollars

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Rosetta wants to estimate the percentage of people who rent their home. She surveys 250 individuals and finds that 48 rent their
Andreas93 [3]

Answer:

0.192 - 1.645\sqrt{\frac{0.192(1-0.192)}{250}}=0.151

0.192 + 1.645\sqrt{\frac{0.192(1-0.192)}{250}}=0.233

Step-by-step explanation:

Information given

X= 48 number of people who rent their home

n= 250 represent the sample size

\hat p =\frac{48}{250}= 0.192 represent the proportion of people who rent their home

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 90% of confidence, our significance level would be given by \alpha=1-0.90=0.1 and \alpha/2 =0.05. And the critical value would be given by:

z_{\alpha/2}=\pm 1.645

The confidence interval for the mean is given by the following formula:  

\hat p \pm z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}

If we replace the values obtained we got:

0.192 - 1.645\sqrt{\frac{0.192(1-0.192)}{250}}=0.151

0.192 + 1.645\sqrt{\frac{0.192(1-0.192)}{250}}=0.233

3 0
3 years ago
Where did Jordan make her mistake? GIVING BRAINLIEST!
Ivenika [448]

Answer:

Jordan made mistake in his first step while multiplying.

Step-by-step explanation:

Given expression of Jordan's work is

14(8+4x) = 6x-(5-11x)

In the first step, Jordan multiplied the numbers to remove the braces.

He multiplied 14(8+4x) wrong as 14*8 is 112 rather than 126and on the right hand side, he did not change the sign of 11x to positive as two negatives are positive when multiplied.

Hence,

Jordan made mistake in his first step while multiplying.

7 0
2 years ago
Find the equation of a
Aliun [14]

Answer:

If your vertex is at the orgin you can't have a point on (6,0)

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
HELP ME PLEASE WELL MAK BRAINLLEST
madreJ [45]

Answer:

28

Step-by-step explanation:

cuz if u look at it you will see it adding by 4 each time, so 24+4=28

Hope I helped you out :)

3 0
3 years ago
Read 2 more answers
I have 5min can sb help please
Makovka662 [10]

Answer:

Use M a t h W a y

Step-by-step explanation:

it all together

7 0
2 years ago
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