Probability Distributions, Probability, Normal Distribution, Standardization, Statistics.
the standard deviation is 150. The z-score tells you how many standard deviations away 1380 are from the mean. The cumulative probability of a Z-Score at 1.53 or the probability of SAT score being 1380 or less is 93.7%, But we needed a probability for SAT score of more than 1380. Hence, we will