Concept explainers
(a)
To construct: a tree diagram to represent this chance process.
(a)
Explanation of Solution
Given:
A = first card is a heart
B = second card is a hear
With replacement condition
Formula used:
Graph:
Tree diagram:-
(b)
To Calculate: the probability that both cards are hearts.
(b)
Answer to Problem 7.61E
0.1875
Explanation of Solution
Given:
Total
Heart cards = 13 cards
Formula used:
Calculation:
(c)
To Explain: that the A and B
(c)
Answer to Problem 7.61E
Yes, independent
Explanation of Solution
A and B events are independent, because drawn cards condition is with replacement means drawn cards are returned to the deck so there is no possibility that the second card is a heart is in no way affected by the first card being a heart.
Chapter 7 Solutions
Statistics Through Applications
Additional Math Textbook Solutions
Statistics: The Art and Science of Learning from Data (4th Edition)
STATS:DATA+MODELS-W/DVD
Intro Stats, Books a la Carte Edition (5th Edition)
Elementary Statistics: Picturing the World (6th Edition)
Fundamentals of Statistics (5th Edition)
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