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Due:
Sunday, November 4, 2007 11:59 PM EST
Current Score:
30 out of 30
Question Score
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Description
HW #8 covers the
geometric and standard
normal probability
distributions.
Instructions
HW 8
You are allowed 4
submissions for each
question.
The submission deadline
is 11:59 pm Friday Nov.
2.
Extension
Requests
(1 out of 1 requests answered)
1.
3/3 points
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Suppose that p = P(female birth) = 0.5. A couple wishes to have exactly one
female child in their family. They will have children until they have a girl, then
they will stop having children.
Question 1
. What is the probability that the family has three children?
0.125
.125
Question 2
. What is the probability that the family has at most three children?
0.875
.875
Question 3
. How many male children would you expect this family to have?
1
1
Question 4
. How many children would you expect this family to have?
2
2
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4/4 points
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Only 4% of people have Type AB blood. A hospital blood bank needs Type AB
blood so the blood bank begins checking potential donors.
Use this Excel file
geometric probabilities
to assist you with the geometric
probability calculations required to answer the questions below.
Question 1
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 Spring '08
 reiland
 Business, Options

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