Match the question with correct answer. From past experience, it is known 90% of one-year-old children can distinguish their mother's voice from the voice of a similar sounding female. A random sample of 20 one-year-olds is given this voice recognition test. A. 0.9570 B. 1.8000 C. 0.3230 D. 0.1222 E. 2.0000 ]1. Find the probability at least 3 children do not recognize their mother's Jvoice. 2. Find the probability all 20 children recognize their mother's voice. 3. Let the random variable X denote the number of children who do not Jrecognize their mother's voice. Find the mean of X. 74. Let the random variable X denote the number of children who do not Jrecognize their mother's voice. Find the variance of X. 5. Find the probability that at most 4 children do not recognize their Imother's voice? select select select select select

Match the question with correct answer. From past experience, it is known 90% of one-year-old children can distinguish their mother's voice from the voice of a similar sounding female. A random sample of 20 one-year-olds is given this voice recognition test. A. 0.9570 B. 1.8000 C. 0.3230 D. 0.1222 E. 2.0000 ]1. Find the probability at least 3 children do not recognize their mother's Jvoice. 2. Find the probability all 20 children recognize their mother's voice. 3. Let the random variable X denote the number of children who do not Jrecognize their mother's voice. Find the mean of X. 74. Let the random variable X denote the number of children who do not Jrecognize their mother's voice. Find the variance of X. 5. Find the probability that at most 4 children do not recognize their Imother's voice? select select select select select

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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