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djyliett [7]
3 years ago
10

Your factory produces lemon-scented widgets. You know that each unit is cheaper, the more you produce. But you also know that co

sts will eventually go up if you make too many widgets, due to the costs of storage of the overstock. The guy in accounting says that your cost for producing x thousands of units a day can be approximated by the formula
C = 0.04x^2 – 8.504x + 25302.

Find the daily production level that will minimize your costs.
Mathematics
1 answer:
Sindrei [870]3 years ago
8 0

try using m athway . c o m for math help

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Suppose 241 subjects are treated with a drug that is used to treat pain and 54 of them developed nausea. Use a 0.05 significance
lana66690 [7]

Answer:

Null Hypothesis, H_0 : p = 0.20  

Alternate Hypothesis, H_a : p > 0.20  

Step-by-step explanation:

We are given that 241 subjects are treated with a drug that is used to treat pain and 54 of them developed nausea.

We have to use a 0.05 significance level to test the claim that more than 20​% of users develop nausea.

<em>Let p = population proportion of users who develop nausea</em>

So, <u>Null Hypothesis,</u> H_0 : p = 0.20  

<u>Alternate Hypothesis</u>, H_a : p > 0.20  

Here, <u><em>null hypothesis</em></u> states that 20​% of users develop nausea.

And <u><em>alternate hypothesis</em></u> states that more than 20​% of users develop nausea.

The test statistics that would be used here is <u>One-sample z proportion</u> test statistics.

                     T.S. =  \frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } }   ~ N(0,1)

where,  \hat p = proportion of users who develop nausea in a sample of 241 subjects =  \frac{54}{241}  

             n = sample of subjects = 241

So, the above hypothesis would be appropriate to conduct the test.

6 0
3 years ago
What does why y equal
Novay_Z [31]

Answer:

y=2/3x+4/3

Step-by-step explanation:

4 0
3 years ago
Solve problem below please
NARA [144]

Answer:-30

Step-by-step explanation:kinda hard to tell a little shaky so sorry if it is wrong.

6 0
2 years ago
Read 2 more answers
How many x intercepts appear on the graph of this polynomial function? f(x)=x^4-5x^2 1 x intercept 2 x intercepts 3 x intercepts
Bumek [7]
You can find the number of x intercepts by setting f(x) equal to zero giving you 0=x^4-5x^2. You can factor out an x^2 and divide on both sides (when you divide 0 by anything it is still zero so the x^2 disappears), and you are left with 0=x^2-5, which you can solve easily giving you x=+/- sqrt(5). However, the original equation also has an x intercept at (0,0) which you can see by plugging 0 in for x. So the grand total of x intercepts is 3!
5 0
3 years ago
Read 2 more answers
If the weight of 12 sheets of thick paper is 40 gm, how many sheets
igor_vitrenko [27]

Answer:

750 sheets

Step-by-step explanation:

2.5 kilograms=2.5*1000=2500 grams

2500/40=62.5 stacks-of-12-papers

62.5*12=750 sheets of paper

To check our work:

Let's set x as the weight of one sheet of paper.

12x=40 grams, x= 3 1/3 (three and one thirds) grams

3 and 1/3 *750= 2500 grams

2500 grams=2.5 kilograms

6 0
3 years ago
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