Answer:
answer b
Step-by-step explanation:
Answer b is definitely the correct one.
The Empirical Rule states that 68% of normally distributed data lies within 1 standard deviation of the mean; 95% within 2 standard deviations, and 99.9% within 3.
The probability of an outcome that lies within 95% of the mean is a good indicator b is definitely the correct one.
We have given that,
a. There is a probability that the outcome is within 1 standard deviation of the mean.
b. There is a probability that the outcome is within 2 standard deviations of the mean.
c. Standard deviations are not reliable, so the probability cannot be determined.
d. There is a probability that the outcome is within 3 standard deviations of the mean.
The Empirical Rule states that 68% of normally distributed data lies within 1 standard deviation of the mean; 95% within 2 standard deviations, and 99.9% within 3.
The probability of an outcome that lies within 95% of the mean is a good indicator b is definitely the correct one.
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