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.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
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.

15) SAT scores (out of 2,400) are normally distributed with = 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.
hos 21 Byrove o
Svi oss e
Transcribed Image Text:15) SAT scores (out of 2,400) are normally distributed with = 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. hos 21 Byrove o Svi oss e
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