2) A bike racer completed a 20.0 kilometer race. She pedaled the first 5.0 kilometers with an average speed of 20.0 km/hr. She p
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We have been given a table of quiz scores whose standard deviation is 5.6. We are asked to find the test scores that are within one standard deviation of the mean.
First of all, we will find the mean of the test scores using average formula.
The scores within one standard deviation would be mean plus one SD and mean minus one SD that is:
Therefore, the quiz scores 17.15 and 28.35 are within one standard deviation of the mean.
Total no.of votes = 21+29=50
No. of votes Megan received = 20
No.of votes Alyssa received = 29
Let x% be the percentage of votes Alyssa received.
Which means :
Therefore, Alyssa received <u>58%</u> of the total votes.