Answer: Probability of getting a blue side will be
[tex]\frac{1}{4}[/tex]
Step-by-step explanation:
Since we have given that
Number of times she tossed the stone = 200
Number of times it lands on red side = 150
Probability of getting a red side is given by
[tex]\frac{150}{20}\\\\=\frac{15}{20}\\\\=\frac{3}{4}[/tex]
Probability of getting a blue side will be
[tex]1-\frac{3}{4}\\\\=\frac{4-3}{4}\\\\=\frac{1}{4}[/tex]
According to question, she tossed the stone 20 more times i.e.
[tex]200+20=220[/tex]
We have to find the number of times the stone will land blue side up :
As we know that number of chances of getting a blue side is
[tex]\frac{1}{4}[/tex]
So, Number of times the stone will land blue side up will be same for next 20 times.
