Section 5.1 Homework Question 2

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Section 5.1 Homework Question 2

Question

Section 5.1 Homework

2.  Five males with an​ X-linked genetic disorder have one child each. The random variable x is the number of children among the five who inherit the​ X-linked genetic disorder. Determine whether a probability distribution is given. If a probability distribution is​ given, find its mean and standard deviation. If a probability distribution is not​ given,  identify the requirements that are not satisfied

Does the table show a probability​ distribution? Select all that apply.

  1. Yes, the table shows a probability distribution.
  2. ​No, the random variable​ x’s number values are not associated with probabilities.
  3. No, the random variable x is categorical instead of numerical.
  4. No, the sum of all the probabilities is not equal to 1.
  5. No, not every probability is between 0 and 1 inclusive.

 

Find the mean of the random variable x. Select the correct choice below​ and, if​ necessary, fill in the answer box to complete your choice.

  1.  
2.5 child(ren) (Round to one decimal place as needed.)
 
 

B. The table does not show a probability distribution.

 

 

Find the standard deviation of the random variable x. Select the correct choice below​ and, if​ necessary, fill in the answer box to complete your choice.

The table does not show a probability distribution.

1.1 child(ren) (Round to one decimal place as needed.)
 
 
 
 

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This question is taken from Math 10 – Introduction to Statistics » Summer 2021 » Section 5.1 Homework