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Type: Multiple-Choice
Category: Collecting and Interpreting Data
Level: Grade 11
Standards: HSS-ID.A.4
Author: nsharp1
Last Modified: 2 years ago

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Collecting and Interpreting Data Question

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Grade 11 Collecting and Interpreting Data CCSS: HSS-ID.A.4

X is a normally distributed random variable with a mean of 123 and standard deviation of 12.3. If P(x0<X<x1)≈25% and P(X<x0)P(x1<X<μ)=23, what is the value of x0 and x1, rounded to the nearest tenth?
  1. 107.3 and 127.2
  2. 107.3 and 118.2
  3. 110.3 and 114.8
  4. 110.3 and 119.9