Mathematics, 29.02.2020 00:26 lilroach4
Find the z-score such that the interval within x standard deviations of the mean for a normal distribution contains a. 48% of the probability. b. 83% of the probability.
Answers: 2
Mathematics, 21.06.2019 14:30
Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?
Answers: 1
Mathematics, 21.06.2019 18:00
Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?
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Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Find the z-score such that the interval within x standard deviations of the mean for a normal distri...
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