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The age of children in kindergarten on the first day of school is uniformly distributed between 4.75 and 5.89 years old. A first time kindergarten child is selected at random. Round answers to 4 decimal places if possible. The mean of this distribution is  The standard deviation is  The probability that the the child will be older than 5 years old?  The probability that the child will be between 5.05 and 5.25 years old is  If such a child is at the 81st percentile, how old is that child?  years old.

The age of children in kindergarten on the first day of school is uniformly distributed between 4.75 and 5.89 years old. A first time kindergarten child is selected at random. Round answers to 4 decimal places if possible. The mean of this distribution is  The standard deviation is  The probability that the the child will be older than 5 years old?  The probability that the child will be between 5.05 and 5.25 years old is  If such a child is at the 81st percentile, how old is that child?  years old.

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 1YT
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The age of children in kindergarten on the first day of school is uniformly distributed between 4.75 and 5.89 years old. A first time kindergarten child is selected at random. Round answers to 4 decimal places if possible.

  1. The mean of this distribution is 
  2. The standard deviation is 
  3. The probability that the the child will be older than 5 years old? 
  4. The probability that the child will be between 5.05 and 5.25 years old is 
  5. If such a child is at the 81st percentile, how old is that child?  years old.
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The age of children in kindergarten on the first day of school is uniformly distributed between 4.81 and 5.93 years old. A first time kindergarten child is selected at random. Round answers to 4 decimal places if possible.

  1. The mean of this distribution is 
  2. The standard deviation is 
  3. The probability that the the child will be older than 5 years old? 
  4. The probability that the child will be between 5.21 and 5.71 years old is 
  5. If such a child is at the 40th percentile, how old is that child?  years old.

 

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