For the following questions consider this setting. The deciding shot in a soccer game comes down to a penalty shot. If the goal-keeper jumps in one corner and the striker shots the ball in the other, then it is a goal. If the goalie jumps left and the striker shoots left, then it is a goal with probability 1/3. If the goalie jumps right and the striker shots right, it is goal with probability 2/3. Say the goalie's strategy is to jump left with probability 1 and the striker shoots left with probability 0.5, then the probability of a goal is (round to two digits) If the striker shoots in either corner with probability 0.5 and the goalie likewise shoots in either corner with probability 0.5, then the probability of a goal is (round to 2 digits)

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.3: Conditional Probability; Independent Events; Bayes' Theorem
Problem 39E: The following problem submitted by Daniel Hahn of Blairstown, Iowa, appeared in the Ask Marilyn...
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For the following questions consider this setting.
The deciding shot in a soccer game comes down to a penalty shot. If the goal-keeper
jumps in one corner and the striker shots the ball in the other, then it is a goal. If the
goalie jumps left and the striker shoots left, then it is a goal with probability 1/3. If
the goalie jumps right and the striker shots right, it is goal with probability 2/3.
Say the goalie's strategy is to jump left with probability 1 and the striker shoots left
with probability 0.5, then the probability of a goal is (round to two digits)
If the striker shoots in either corner with
probability 0.5 and the goalie likewise shoots in either corner with probability 0.5,
then the probability of a goal is (round to 2 digits)
Transcribed Image Text:For the following questions consider this setting. The deciding shot in a soccer game comes down to a penalty shot. If the goal-keeper jumps in one corner and the striker shots the ball in the other, then it is a goal. If the goalie jumps left and the striker shoots left, then it is a goal with probability 1/3. If the goalie jumps right and the striker shots right, it is goal with probability 2/3. Say the goalie's strategy is to jump left with probability 1 and the striker shoots left with probability 0.5, then the probability of a goal is (round to two digits) If the striker shoots in either corner with probability 0.5 and the goalie likewise shoots in either corner with probability 0.5, then the probability of a goal is (round to 2 digits)
You can write the probability of a goal as follows:
π(p, s)
=
digits)
X+Y(p+s) - s * p
where pi refers to the probability of a goal, s refers to the probability that the striker
shoots left, and p refers to the probability that the goalie jumps left. X is a number.
What is this number? (round to 2 digits)
Similarly, what is the value of Y (round to 2
Transcribed Image Text:You can write the probability of a goal as follows: π(p, s) = digits) X+Y(p+s) - s * p where pi refers to the probability of a goal, s refers to the probability that the striker shoots left, and p refers to the probability that the goalie jumps left. X is a number. What is this number? (round to 2 digits) Similarly, what is the value of Y (round to 2
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