You randomly select 2 marbles from a mug containing 5 blue marbles, 4 red marbles, and 3 white marbles. How many times greater i
s the probability of selecting 2 blue marbles when you replace the first marble before selecting the second marble than when you do not replace the first marble before selecting the second marble? Express your answer as a fraction.
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
The width of rectangle is the diameter of the semi-circle part
Area of one semicircle is given by
Total area of semi circle will be
Substituting 74 m for d and as 3.14 we obtain
Total area semi-circle=
Area of rectangle is given by the product of length and width
Rectangular area=
Total area of rectangular and semi-circles will be
Therefore, area of training field is