15) SAT scores (out of 2,400) are normally distributed with μ = 1,500 and o= 300. 1. Find the probability that a SAT taker scores more than 2,000. 2. Suppose 10 SAT takers are randomly chosen. Find the probability that 3 of them scored more than 2,000.
15) SAT scores (out of 2,400) are normally distributed with μ = 1,500 and o= 300. 1. Find the probability that a SAT taker scores more than 2,000. 2. Suppose 10 SAT takers are randomly chosen. Find the probability that 3 of them scored more than 2,000.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Without using a graphing calculaort. Please show formula. Only need part 2 answered.
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