Question 937669
P(M)= P(M/N)P(N)+P(M/not(N))P(not N)

= 0.3(0.1)+0.6(0.9) = 0.03+0.54 = 0.57

P(L) = 1-P(M) = 1-0.57 = 0.43

Answer: P(L)=0.43

If you need more help or if you need more questions you can contact me at:
mthman@gmail.com
Thanks