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A variable follows normal distribution with mean 40 and standard deviation 5. Approximately 68% of the...

A variable follows normal distribution with mean 40 and standard deviation 5. Approximately 68% of the distribution can be found between what two numbers?

Select one:

a. 0 and 68

b. 36 and 46

c. 30 and 50

d. 0 and 45

e. 35 and 45

Math   Statistics-And-Probability   
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