Question #db687

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Answer 1 · 2017-04-14T00:07:16

The tree diagram is

enter image source here

1) 3 choices for first coin, 3 choices for second coin hence
# 3 * 3 = 9#

2) There are 4 outcomes with exactly 1 nickel #{PN, NP, ND, DN} #

3) It is

#P(p,p)=P(p)*P(p)=15/33 * 14/32=35/176#

4) It is

#P(d,p) =P(p)*P(d)= 10/33 * 15/32=25/176#