Question: If. samples are from a normal distribution with sigma (variance) is 10 and mu (mean) is 100, we do not expect: a. about 68 percent

If. samples are from a normal distribution with sigma (variance) is 10 and mu (mean) is 100, we do not expect:

a. about 68 percent of the data within 90 to 100

b.almost all the data within 70 and 130

c. about 95% of the data within 80 to 120

d about half the data to exceed 60

Please explain the answer as well.

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