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kari74 [83]
3 years ago
13

Dianna is grading a students project the students project score is 80 but the student earned 5% bonus of the project score by do

ing an extra credit assignment. which is the correct procedure that Diana can use to calxulate the student score including the bonus ​
Mathematics
1 answer:
malfutka [58]3 years ago
6 0

Answer:

84

Step-by-step explanation:

80 + (80 * 5/100) = 84

simply take the 5% of 80 which is 4 and add it back to 80 which is 84

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Answer:

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Step-by-step explanation:

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masya89 [10]
The factor would be 8
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Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and
sergij07 [2.7K]

Answer:

a) sample size is 40

Step-by-step explanation:

(a)

\sigma=4 minutes

Margin of error, E is 75 seconds E=75/60= 1.25 minutes.

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For 95% confidence interval z_{\frac{\alpha}{2}}=1.96 from standard deviation table

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n=\left (\frac{z_{\frac{\alpha}{2}}\cdot \sigma}{E} \right )^{2}=\left (\frac{1.96\cdot4}{75/60} \right )^{2}=39.337984

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Sample size =40

Keywords:

95% confidence, sample size, Wall Street Journal

3 0
4 years ago
3) Mr. Wright is going to do an experiment and needs a volunteer r. Josh, Eddie, Jordan, Brent, Alice, Betsy, and Marcus all wan
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5 0
2 years ago
Which of the segments below is a secant?
sveticcg [70]
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From the answer options given, the secant line is line XY.
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3 years ago
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