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kari74 [83]
3 years ago
15

A manager of a department store is interested in determining the percentage of people attracted to his store by magazine adverti

sing. Doing an extensive survey, he finds that the average number of people in his store on any given day who have seen the advertising is 200, while the standard deviation of this group is 40. Assuming that the number of people in the store who have seen the advertising has a normal distribution.
(a) Determine the probability that between 155 and 220 people will see the advertisement.
(b) Determine the probability that less than 230 people will see the advertisement.
(c) Determine the probability that less than 130 people will see the advertisement.
Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
6 0
The answer is determine the problem theat
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Angles that measure between 0 and 90 degrees are called_?
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Answer:

Acute angles.

Step-by-step explanation:

Acute angles are from 0-90 degrees.

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Round 4.16 to the nearest whole number?
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4.16 rounded to the nearest whole is 4.2.
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Evaluate S5 for 400 + 200 + 100 + … and select the correct answer below.
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What is the fraction 2-5 2 on top and 5 on bottom ) equivalent to?
Andrei [34K]

To get to simplest form find the greatest common factor, or the gcf, of both numbers. To do that find all of the factors and find the one with the highest value both numbers share. So 30 would have factors of 1, 2, 3, 5, 6, 10, 15, and 30, and 42 would have the factors of 1, 2, 3, 6, 7, 14, 21, and 42. Both numbers share the factors of 1, 2, 3, and 6 so the gcf is 6. Now divide both numbers by six to get your answer.

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4 0
3 years ago
The profits in a business are to be shared by the three partners in the ratio of 3 to 2 to 5, in that order. The profit for the
jeka94

Answer:

The first partner will receive $52950, the second partner will receive $35300, the third partner will receive $88250.

Step-by-step explanation:

The profits in the business are to be shared by the three partners in the ratio of 3 to 2 to 5, in that order.

That is:

3 : 2 : 5

The profit for the year was $176,500.

To find the number of dollars that each partner, we have to first find the total ratio and then divide each of the ratios by the total ratio and multiply by the profit.

The total ratio is:

3 + 2 + 5 = 10

The first partner will receive 3/10 of the profits:

\frac{3}{10} * 176500 = $52950

The second partner will receive 2/10 of the profits:

\frac{2}{10} * 176500 = $35300

The third partner will receive 5/10 of the profits:

\frac{5}{10} * 176500 = $88250

The first partner will receive $52950, the second partner will receive $35300, the third partner will receive $88250.

7 0
3 years ago
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