Concept explainers
a.
To Draw: a tree diagram that shows the sample space of the chance process.
a.
Explanation of Solution
Given:
A candy makes offer a special “Gump box” with 20 chocolates that looks the same but 14 of them are soft and 6 of them are hard centers.
Calculation:
There are two options, thus two branches are nedded at each knot:
The
b.
To find: the probability that one of the chocolates have a soft center and other one does not.
b.
Answer to Problem 77E
Explanation of Solution
Given:
A candy makes offer a special “Gump box” with 20 chocolates that looks the same but 14 of them are soft and 6 of them are hard centers.
Calculation:
Multiplying the corresponding probabilities so that to find the probability that one of the chocolates have a soft center and other one does not.
Therefore,
Now, Add the corresponding probabilitiesso that to find the probability that one of the chocolates have a soft center and other one does not.
Thus,
Hence, so that to find the probability that one of the chocolates have a soft center and other one does not is
Chapter 5 Solutions
The Practice of Statistics for AP - 4th Edition
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