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3 years ago

Describe the steps you would follow to write a two-step inequality you can use to solve a real-world problem

Mathematics

1 answer:

Mariana [72]3 years ago

5 0

Pemdas and other math based things

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Private colleges and universities rely on money contributed by individuals and corporations for their operating expenses. Much o

emmainna [20.7K]

Answer:

The 95% confidence interval $81.852 < \mu < 280.098$

Step-by-step explanation:

From the question we are told that

The sample mean is $\= x = 180.975$

The standard deviation is $\sigma = 143.042$

The sample size is n = 8

Given that the confidence level is 95% then the level of significance is

$\alpha =( 100- 95) \%$

=> $\alpha =0.05$

Generally from the normal distribution table the critical value of $\frac{\alpha }{2}$ is

$Z_{\frac{\alpha }{2} } = 1.96$

Generally the margin of error is mathematically represented as

$E = Z_{\frac{\alpha }{2} } * \frac{\sigma }{\sqrt{n} }$

=> $E = 1.96 * \frac{ 143.042 }{\sqrt{8} }$

=> $E = 99.123$

Generally 95% confidence interval is mathematically represented as

$\= x -E < \mu < \=x +E$

=> $180.975 -99.123 < p < 180.975 +99.123$

=> $81.852 < \mu < 280.098$

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3 years ago

A number q tripled in algebraic expression help

xenn [34]

A number tripled mean you have to multiply it by 3
so the answer is

3 times a number q or...

3q

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4 years ago

Please bros, I need this.

bija089 [108]

A is a compound event
b is a compound event
c is not a compound event since the coin only has 2 possibilities, if the coin is a dice or if it was removed it would be compound

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3 years ago

Jordan is another employee at the same coffee shop. He has worked there longer than Gabe and earns $3 more per hour than Gabe. C

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3 years ago

Select three points that lie on the graph of the line y=1/2x <br>

irinina [24]

Answer:

the last two (4,2) and (10,5)

Step-by-step explanation:

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4 years ago