For normal distribution, what is the probability that an observation is within 1.33 standard deviations from the mean? Statistics Statistical Distributions The Standard Normal Distribution 1 Answer VSH Jan 12, 2018 0.8164 Explanation: Answer link Related questions How can I calculate standard normal probabilities on the TI-84? Use the standard normal distribution to find #P(z lt 1.96)#. What are the median and the mode of the standard normal distribution? What is the variance of the standard normal distribution? What is the area under the standard normal distribution between z = -1.69 and z = 1.00 What is z value corresponding to the 65th percentile of the standard normal distribution? What is the z value such that 52% of the data are to its left? What are the 2 z values that identify the middle 50% of the standard normal distribution? How do I use the empirical rule? Use the empirical rule to determine the approximate probability that a z value is between -1 and... See all questions in The Standard Normal Distribution Impact of this question 5200 views around the world You can reuse this answer Creative Commons License