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Katen [24]
3 years ago
10

A stadium has 250 people in it at noon. If 35 people per minute enter the stadium, how many are in the stadium at 1:30 p.m. when

a concert is supposed to begin? No one who has entered has left.
A.) 3150

B.) 3400

C.) 303

D.) 508
Mathematics
1 answer:
HACTEHA [7]3 years ago
3 0
The answer would be A.) 3150
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Give the null and alternative hypotheses in symbolic form that would be used in a hypothesis test of the following claim:
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Answer:

Step-by-step explanation:

The null hypothesis is usually the default statement. The alternative is the opposite of the null and usually tested against the null hypothesis

In this case study,

The null hypothesis in would be that the mean time between clicks of the second hand on a particular clock is 1 second. In symbolic form it would be u = 1

The alternative hypothesis would be that the mean time between clicks of the second hand on a particular clock is 1 not second. In symbolic form, it would be: u =/ 1

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3 years ago
Is 5/8 greater than 1/2
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3 years ago
a book store cost $80 a day to keep open, and it spends $15 for each book that it sells. if each book sells for $23, what is the
aalyn [17]

The break even point for this book store is 10

<em><u>Solution:</u></em>

Given that, book store cost $80 a day to keep open, and it spends $15 for each book that it sells

Cost to open the book store = $ 80

<em><u>The formula for solving the break even point (BEP) is:</u></em>

BEP = \frac{\text{Fixed cost}}{\text{Selling price - variable cost}}

Fixed Cost is the cost that remains constant whether the services provided or products sold increases or decreases

Variable Cost is the cost that varies or differs in proportion to the products or services produced, whether they increased or decreased

In this problem,

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Selling price = $ 23

Variable cost = $ 15

Therefore,

BEP = \frac{80}{23-15}\\\\BEP = \frac{80}{8}\\\\BEP = 10

Thus break even point for this book store is 10

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6 0
4 years ago
Read 2 more answers
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