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Lera25 [3.4K]
2 years ago
13

The number of students in sixth grade is 1.03 times the number of students in seventh grade. What percent is equivalent to 1.03?

Mathematics
1 answer:
Minchanka [31]2 years ago
8 0
Move the decimal to the right twice to make this into a percent:

1.03 —-> 103%
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Answer with explanation:

To test the Significance of the population which is Normally Distributed we will use the following Formula Called Z test

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\Bar X =31.1\\\\ \sigma=6.3\\\\ \mu=25\\\\n=15\\\\z=\frac{31.1-25}{\frac{6.3}{\sqrt{15}}}\\\\z=\frac{6.1\times\sqrt{15}}{6.3}\\\\z=\frac{6.1 \times 3.88}{6.3}\\\\z=3.756

→p(Probability) Value when ,z=3.756 is equal to= 0.99992=0.9999

⇒Significance Level (α)=0.01

We will do Hypothesis testing to check whether population mean is different from 25 at the alpha equals 0.01 level of significance.

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With a z value of 3.75, it is only 3.75% chance that ,mean will be different from 25.

So,we conclude that results are not significant.So,at 0.01 level of significance population mean will not be different from 25.

3 0
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Tough Math Help !
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4 0
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Step-by-step explanation:

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so subtract 3 fron fhe y side of the table and 1 from the x side of the table

3 0
2 years ago
Read 2 more answers
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