Mr. Sonny's science class is calculating the average number of blinks per minute. Jan blinks 126 times in 7 minutes. What is her
2 answers:
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Answer:
The probability that Ang wins and is given a mug is 0.125.
Step-by-step explanation:
Denote the events as follows:
R = Rob wins
S = Sonja wins
J = Jack wins
A = Ang wins
T = the winner gets a T-shirt
M = the winner gets a Mug
Since any of the four people could be winner the probability of each person winning is same, i.e.
P (R) = P (S) = P (J) = P (A) = 0.25
There only two prizes to select from.
So, the winning person gets any of the two prizes with probability 0.50.
Consider the tree diagram attached.
Compute the probability that Ang wins and is given a mug as follows:
Thus, the probability that Ang wins and is given a mug is 0.125.
