Question: 6.16 Probabilities in tails For a normal distribution, use Table A, software, or a calculator to find the probability that an observation is a. at

6.16 Probabilities in tails For a normal distribution, use Table A, software, or a calculator to find the probability that an observation is

a. at least 1 standard deviation above the mean.

b. at least 1 standard deviation below the mean.

c. within 1 standard deviation of the mean.

For each part, sketch the normal curve and indicate the area corresponding to the probability.

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