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Question: 1there are 6 books on the shelf 2 books are...

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1.There are 6 books on the shelf.  2 books are red, 3 books are green and 1 book is black.  If you close your eyes and pick two books at random, calculate the probability of selecting: (a) a red book and green book (in that order) (b) a red book and a green book (in either order). [Give answer as a decimal to one decimal place]  HINT:  You do not replace a book once it is in your hands.

 

2.The probability of having a baby boy is 0.5.  In a family of 5 children what is the probability that all 5 will be boys? [Give answer to 4 decimal places]

 

3.For the standard normal distribution, find:

P(0<z<1.25)

 
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