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allochka39001 [22]
3 years ago
10

Colton and his children went into a movie theater and he bought

Mathematics
1 answer:
Ganezh [65]3 years ago
5 0

Answer:

He bought 6 bags of candies, and 5 bags of popcorn

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What’s the square root of 15
viva [34]

Answer:3.87298334621

Step-by-step explanation:

4 0
3 years ago
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What is the interquartile range of the data set? {48, 50, 65, 60, 80, 42, 45, 50, 42, 55, 45}
MissTica
Order the number:
42,42,45,45,48,50,50,55,60,65,80

Mean:50
Quartile 1:45
Quartile 3:60

60-45=15. As a result, the interquartile range is 15. Hope it help!
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2 years ago
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At a certain university, the average attendance at basketball games has been 3125. Due to the dismal showing of the team this ye
Neporo4naja [7]

Answer:

The test statistic needed to evaluate the claim is t = -1.08.

Step-by-step explanation:

The test statistic is:

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

In which X is the sample mean, \mu is the expected value of the mean, s is the standard deviation of the sample and n is the size of the sample.

At a certain university, the average attendance at basketball games has been 3125. The athletic director claims that the attendance is the same as last year.

This means that \mu = 3125

Due to the dismal showing of the team this year, the attendance for the first 9 games has averaged only 2915 with a standard deviation of 585.

This means that n = 9, X = 2915, s = 585

What is the test statistic needed to evaluate the claim?

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

t = \frac{2915 - 3125}{\frac{585}{\sqrt{9}}}

t = -1.08

The test statistic needed to evaluate the claim is t = -1.08.

6 0
2 years ago
Gina says that for all real numbers a and b, ab=ba. is this statement true or false? If false, give a counterexample
Anika [276]

Answer:

True

Step-by-step explanation:

The communative property states that the order in addition and multiplication dosen't matter.

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2 years ago
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Jordan wants to make 1.25 using dollars half dollars and quarters how many different ways can she make 1.25
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3

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1. 5 quarters.

2. 1 half dollar and 3 quarters.

3. 2 half dollars and a quarter.

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2 years ago
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