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a set of 50 data values has a mean of 22 and a variance of 16.I. Find the standard score (z) for a
data value = 14' II. Find the probability of a data value < 14. Please show step by step and show
all work.
Solution
mean = 22
variance = 16
standard deviation = 16 = 4
1)
standard score (z) for a data value = 14 is ( 14 - 22 ) /4 = -2
2)
probability of a data value < 14. = 0.0228
http://homes.cs.washington.edu/~jrl/normal_cdf.pdf

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a set of 50 data values has a mean of 22 and a variance of 16.I. Fin.pdf

  • 1. a set of 50 data values has a mean of 22 and a variance of 16.I. Find the standard score (z) for a data value = 14' II. Find the probability of a data value < 14. Please show step by step and show all work. Solution mean = 22 variance = 16 standard deviation = 16 = 4 1) standard score (z) for a data value = 14 is ( 14 - 22 ) /4 = -2 2) probability of a data value < 14. = 0.0228 http://homes.cs.washington.edu/~jrl/normal_cdf.pdf