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avatar+952 

Please check my answers ^-^

(A)?

 
RainbowPanda  Apr 16, 2018
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3+0 Answers

 #1
avatar+85744 
+2

 

 

These are dependent events.....the second card that is drawn is dependent upon the card that is drawn first  [Hint....any time we have "without replacement"....the event will be dependent ]

 

Second one

We have 13 Hearts.....the probability that one of them is a King  is just  1/13

 

Last one

 

We have a total of  70 + 50  = 120  students who arrived by car

 

The probability that  one of these is a girl  is   

 

[ Number of girls that arrived by  car  ]  /  [ Total Arrivals by car ]  =

 

[ 50  / 120 ]   =  5/12  ≈    .42  =   42%

 

 

cool cool cool

 
CPhill  Apr 16, 2018
 #2
avatar+952 
+1

Ty!

Also, I tried haha I got one right at least

 
RainbowPanda  Apr 16, 2018
 #3
avatar+85744 
+1

Well.....that's not too bad with this probability stuff....to be honest....I never liked it very much, either   .......LOL!!!!

 

 

cool cool cool

 
CPhill  Apr 16, 2018

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