I do believe it’s -1/3
If I’m correct mark me brainliest pls
Answer:
Check the explanation
Step-by-step explanation:
Let
be the indicator random variable that takes the value 1 if the ith coin is the first coin in a sequence of 19 consecutive heads.
For any sequence of length 19, the starting coin can be from toss i ,
such that i is between 1 and n - 19+1
Thus the number of such sequences is
Kindly check the attached image below for the step by step explanation to the question above.
The LCD of 1/3 and 2/9....ur basically looking for the lowest number that both 3 and 9 go into evenly...and that number is 9