Answer:
0.4
Step-by-step explanation:
Given
60 % wear neither ring nor a necklace
20 % wear a ring
30 % wear necklace
This question can be Solved by using Venn diagram
If one person is choosen randomly among the given student the probability that this student is wearing a ring or necklace is


The sum of probabilty is equal to 1 because it completes the set
Therefore the required probabilty is 0.4
Answer:
2/25
Step-by-step explanation:
Just work it out
Answer:
just give the question to much work
Step-by-step explanation:
Answer: C or
41*67/2=1373.5
Step-by-step explanation:
Hi