Using the following sample data, find the z score corresponding to the eye height of 1642 mm. Is it unusual? Why/why not? :: 1550, 1642, 1538, 1497, 1571
z = 1.54 :: This is not unusual because the value falls between 2 standard deviations of the mean
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seesaw
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fairy
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shark
Other team loses 25 points!
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baam
Lose 15 points!
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heart
Other team wins 10 points!
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gift
Win 25 points!
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fairy
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thief
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banana
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seesaw
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fairy
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thief
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15
Find the probability of randomly selecting 1 of the 839 challenges and getting a challenge that was accepted and was made by a female player.
126 / 839 or 0.150
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15
A fan of Lady Antebellum music plans to make a custom CD with 12 of their 27 songs. How many different combinations of 12 songs are possible? Is it practical to make a different CD for each possible combination?
17,383,860. Not practical
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15
Construct a 95% confidence interval estimate of the mean discrepancy for the population of wristwatches
-22.1 sec < ยต < 308.1 sec
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15
Use the following information to find the degrees of freedom, critical values and confidence interval estimate of sigma : 99% confidence; n=25, s=0.24mg.