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zysi [14]
3 years ago
13

The marketing manager for an automobile manufacturer is interested in determining the proportion of new compact-car owners who w

ould have purchased a knee airbag if it had been available for an additional cost of $300. The manager believes from previous information that the proportion is 0.30. Suppose that a survey of 200 new compact-car owners is selected and 79 indicate that they would have purchased the knee airbag. If you were to conduct a test to determine whether there is evidence that the proportion is different from 0.30 and decided not to reject the null hypothesis, what conclusion could you reach?
Business
1 answer:
Nataliya [291]3 years ago
3 0

Answer:

After the result obtained through the hypothesis test, I have sufficient evidence to reject the null hypothesis.

Explanation:

The null hypothesis is the statement that two (or more) parameters have no relation to each other.

X= estimated proportion new cars owner tha purchase the knee airbag

Y= they would have purchased the knee airbag

Z= the new compact owners

X= Y/Z

Hypothesis

H0= 0,30 (equal 30% .They would have purchased a knee airbag if it had been available)

H1≠0,30 (different to 30% .They would have purchased a knee airbag if it had been available)

Survey

Y=79

Z=200

X= 79 /200

X=0,395 ( 39,5% .They would have purchased a knee airbag if it had been available)

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Answer:

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And for the new case we know that the sales increase by a factor of 2%, so then we can find the new number of sales like this:

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And the Total August sales would be given by:

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And the correct answer for this case would be:

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Explanation:

For this case the original number of sales for this case is 5000 units and the unitary price is given by 12.5 \frac{dollars}{unit}

And the total sales for the original case would be given by:

P_i = 5000 units *12.5\frac{dollars}{unit} = 62500 dollars

And for the new case we know that the sales increase by a factor of 2%, so then we can find the new number of sales like this:

1.02*5000 units= 5100 units

And the Total August sales would be given by:

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$63,750

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3 years ago
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Answer:

C. Less than the variance of each asset, except when the two assets are perfectly positively correlated.

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The answer and procedures of the exercise are attached in the following archives.

Step-by-step explanation:

You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.  

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3 years ago
Sandy earned a salary of $50,000 last year. Her parents gave her a car valued at $23,000 for her birthday. In addition, she earn
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Answer:

$51,200

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Gross income computation includes all forms of income such as wages, rents, royalties, dividend etc. However, gifts and inheritances are not considered as a part of the gross income.

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