Elena loves to go fishing. Each time she catches a fish, there is a
70
%
70%70, percent chance that it is a northern pike and a
30
%
30%30, percent chance it is a walleye. Let
X
XX be the random variable that represents the number of northern pike Elena gets if she catches
2
22 fish.
X
=
#
of pike
X=# of pikeX, equals, \#, start text, space, o, f, space, p, i, k, e, end text
0
00
1
11
2
22
P
(
X
)
P(X)P, left parenthesis, X, right parenthesis
0.09
0.090, point, 09
0.42
0.420, point, 42
0.49
0.490, point, 49
Find the expected value of the number of northern pike Elena catches.