In a normal distribution with a mean of 78 and a standard deviation of 7, what...

Question

Question

In a normal distribution with a mean of 78 and a standard deviation of 7, what is the probability that a score will be between 71 and 85?'

15.87%

31,74%

68.26%

34.13%

science chemistry

Answer 1

Answer #1

Answer 2

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