# two cookies are pulled out at random and eaten from a jar containing 7 chocolate chip cookies and 6 snickerdoodles. let x be a ran

two cookies are pulled out at random and eaten from a jar containing 7 chocolate chip cookies and 6 snickerdoodles. let x be a random variable denoting the number of snickerdoodles pulled out. what is the probability distribution of x? what is the expected value of x?

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1. 5/26 is the probability distribution of x .
What does the math term “probability” mean?
• Simply put, probability measures how probable something is to occur.
• We can discuss the probabilities of various outcomes, or how likely they are, whenever we are unsure of how an event will turn out.
• Statistics is the study of events that follow a probability distribution.
There are 7 chocolate chip cookies and 6 snickerdoodles.
Therefore the probabilities of 0,1 and 2 snickerdoodles is given by
P( X= 0) = 7/13 * 6/12  = 7/26
P(X= 1 ) = 7/13  * 6/12 + 6/13  * 7/12
= 7/13
P(X = 2) = 6/13 * 5/12  = 5/26
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