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30-04-2024
Mathematics

Answered

A sample of 15 randomly selected math majors has a grade point average of 2.86 with a standard deviation of 0.78. Construct a 90% confidence interval for the population mean, u. Assume the population has a normal distribution. Round to two decimal places.
Α. (2.51.3.21)
B. (2.28, 3.66)
C. (2.41.3.42)
D. (2.37, 3.56)

Answer :

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