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3 years ago

Helppppppppppp.......... Pls

Mathematics

2 answers:

bekas [8.4K]3 years ago

6 0

Answer:20

Step-by-step explanation: I think the answer is 20 because if u do 20 times 4 it equals 80, so the answer would be there are 20 sodas.

sukhopar [10]3 years ago

3 0

The Answer is 20. A calculator is the best way to get the answer for this question

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Use the distributive property to write an expression that is equivalent to the sum of 9 and 54.

S_A_V [24]

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3 years ago

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Elena L [17]

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3 years ago

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Serggg [28]

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4 years ago

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Karo-lina-s [1.5K]

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3 years ago

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nA car dealer who sells only late-model luxury cars recently hired a new salesperson and believes that this salesperson is selli

7nadin3 [17]

Answer:

The value of an appropriate test statistic for the car dealer to use is -4.

Step-by-step explanation:

The null hypothesis is:

$H_{0} = 4600$

The alternate hypotesis is:

$H_{1} < 4600$

The test statistic is:

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis, $\sigma$ is the standard deviation and n is the size of the sample.

In this problem:

$X = 4100, \mu = 4600, \sigma = 500, n = 16$

Then

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

$t = \frac{4100 - 4600}{\frac{500}{\sqrt{16}}}$

$t = -4$

The value of an appropriate test statistic for the car dealer to use is -4.

8 0

3 years ago