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:
probability = area of shaded region / total area
P = π (y²-x²) /πy²
P = y²-x²/y²
Option D is correct ...
mark me as brainliest ❤️
Answer:
D)
Step-by-step explanation:
Answer:
1 + 1 = 2, if you are doing multiplication then it is 1 x 1 = 1
Step-by-step explanation:
Answer: 3
Step-by-step explanation:
56 = 4
42 = x
56x = 168
x=3