3 years ago

Cynthia's uncle told her to save 20% of her earnings

1 answer:

4 0

Find 100/20 x 30
=150

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liberstina [14]

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notsponge [240]

Five times the number x plus two

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sertanlavr [38]

Answer:

there is nothing here so??

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sveta [45]

Answer:

The 99% confidence interval for the mean number of hours of part-time work per week for all college students is between 25.8 and 30.2.

Step-by-step explanation:

A confidence interval has the following format.

$\mu_{x} \pm M$

In which $\mu_{x}$ is the mean of the sample and M is the margin of error.

In this problem, we have that:

$\mu_{x} = 28, M = 2.2$

$\mu_{x} - M = 28 - 2.2 = 25.8$

$\mu_{x} + M = 28 + 2.2 = 30.2$

The 99% confidence interval for the mean number of hours of part-time work per week for all college students is between 25.8 and 30.2.

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2 years ago

Angelina_Jolie [31]

Answer:

it means 4 times 1/3x

4x/3

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2 years ago