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Harlamova29_29 [7]
3 years ago
15

Advertising expenses are a significant component of the cost of goods sold. Listed below is a frequency distribution showing the

advertising expenditures for 63 manufacturing companies located in the Southwest. The mean expense is $50.63 million and the standard deviation is $11.48 million. Is it reasonable to conclude the sample data are from a population that follows a normal probability distribution?
Mathematics
1 answer:
vredina [299]3 years ago
6 0

Answer:hi

Step-by-step explanation:

Hi

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Please help me! :D <3
Scrat [10]

Answer:

Well 5 times 1 is 2.5 which can't be and integer

so I looked it up an this is what I got How do you write 2.5 as an integer?

If this is the question, then Integer-Part[2.5] = 2, and the Fractional-Part[2.5] = . 5.

I would put 3 it because 2.5 as a hole number is 3

Step-by-step explanation:

4 0
2 years ago
suppose a consumer advocacy group would like to conduct a survey to find the proportion p of consumers who bought the newest gen
Zepler [3.9K]

The size of the sample they should take to estimate p with a 2% margin of error and 90% confidence is n = 1691.

In statistics, the margin of error is just the degree of a significant error in the outcomes of random sample surveys.

The formula of margin error is, E = z√((p-vector)(1 - (p-vector)) ÷ n)

E = 2% = 0.02

Confidence level = 90%

Now, the proportion is not given so adopt nominal (p-vector) = 0.05

The critical value at CL of 90% is 1.645.

Thus, making n the subject,

n = z²(((p-vector) × (1 - (p-vector))) ÷ E²)

n = 1.645²((0.5 × 0.5) ÷ 0.02²)

n = 1691.266

n ≈ 1691

Read more about the margin of error at

brainly.com/question/16141482?referrer=searchResults

#SPJ4

4 0
1 year ago
Please help me with this question.
insens350 [35]

Answer:

The correct answer is option C. 3/5= 0.60

Step-by-step explanation:

It is given that,the  Venn diagram shows sports played by 10 students.

event A = The student plays basketball.

event B = The student plays soccer

<u>To find P(A|B))</u>

P(A) = 6

P(B) = 5

P(A ∩ B) = 3

We have P(A|B) = P(A ∩ B)/P(B)

 = 3/5

 = 0.6

Therefore the correct answer is option C. 3/5= 0.60

5 0
4 years ago
Which statement is best represented by the inequality t less-than negative 15?
Tems11 [23]

Answer:

The first one

Step-by-step explanation:

Today’s temperature was less than Negative 15 degrees Fahrenheit.

5 0
3 years ago
Read 2 more answers
Write a piecewise function for the graph
netineya [11]

Answer:

You can used it to help me out with a good time with this and

Step-by-step explanation:

5 0
3 years ago
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