Robert and Megan Are Brother and Sister,and Both Have Type

question 139

Multiple Choice

Robert and Megan are brother and sister,and both have type O blood.They know that their mother has type A blood,but they don't know their father's blood type.Using what they know about their own blood types and their mother's,they know that their father's blood type​ 

• A)could be A, B, O, or AB. 
• B)must be O. 
• C)must be A. 
• D)could be A or O.

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Definitions:

Bell Shaped Distribution

Also known as a normal distribution, it is a probability distribution that has a symmetrical bell-shaped graph, indicating that most of the data points are concentrated around the mean.

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Bell Shaped Distribution

A probability distribution that is symmetrical and tapers towards the tails, resembling a bell; commonly known as the normal distribution.

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