The probability of an outcome that lies within 95% of the mean is a good indicator that it lies in which standard deviation? 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.

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.

9.55 degrees.

step-by-step explanation:

the given angle is

1 cycle is equal to 2π radians. so 4π will be equal to two cycles.

5.166667π-4π = 1.166667π

hence, this angle goes a little more than negative x axis.

1.166667π-π= 0.166667π

hence, the reference angle is 0.166667π radians.

1 radian = 57.2958 degrees

now, in degrees, this should be equals to 9.55 degrees.

step-by-step explanation:

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