Mathematics, 26.05.2021 01:00 fabiolabaritto
In 2018 the scores of students on the May SAT had a normal distribution with mean u = 1450 and a standard deviation of o = 120.
a. What is the probability that
a single student randomly chosen from all those taking the test scores 1500 or higher?
b. If a sample of 50 students is taken from the population, what is the probability that the sample mean score of these students is 1470 or higher?
Answers: 1
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