Unformatted text preview: ) ( () ) )( ) ()
3. b.)
() ∑( ) ( ∑ ( ( ) ) ) ( )( ) ( ( ( () ) )( ) () () ( ) 4. 7 blue balls, 8 green balls, 15 total balls
Let A = the event that the second ball is green.
Let B = the event that the first ball is blue.
( () )
() ()
( () ) ) ( ( )( )(
) ) () 5. Let A = the event of tossing a head
Let B1 = the event of picking the fair coin
Let B2 = the event of picking the biased coin
( ( ) ) (
( )( )(
() ) ( )( ) ()
( () ( ) ( ( ) )
)
)( ( )( ) 6. a.) FALSE
( ) ()() 6. b.) FALSE
( ) ) 6. c.) TRUE
Recall theorem from HW#2. ( )( )...
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 Spring '12
 CHOWDHURY
 Bernoulli trial

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