Question 980500
Four outcomes.
RG
RB
WG
WB
.
.
.
So find the probability of getting a good shot.
{{{P=P(RG)+P(WG)}}}
The probability of choosing the right club is 1 out of 5 so probability of wrong club is 4 out of 5.
{{{P=(1/5)(2/3)+(4/5)(1/4)}}}
{{{P=2/15+1/5}}}
{{{P=2/15+3/15}}}
{{{P=5/15}}}
{{{P=1/3}}}