suppose three coins are tossed let y be the random variable representing the number of tails that occur find the values of the random variable y (show the three diagram illustration of the problem)
what is three diagram amd possible outcomes
please help me
Answers
Given : three coins are tossed
y be the random variable representing the number of tails that occur
To Find : the values of the random variable y
Solution:
3 coins are tossed
Possible out comes
as coins are tossed simultaneously
HHH HHT HTH HTT THH THT TTH TTT
If One coin is tossed 3 time then tree diagram will look like this
H T
H T H T
H T H T H T H T
random variable y can have value 0 , 1 , 2 or 3
frequency of occurring out of 8
y (0) = 0 Tails = 1
y(1) = 1 Tail = 3
y(2) = 2 Tails = 3
y(3) = 3 Tails = 1
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