Concept explainers
The correct option which shows probability of choosing a coin that it is not a quarter.
A.
B.
C.
D.
Answer to Problem 7STP
The correct option is D. Probability of choosing a coin that it is not a quarter is
Explanation of Solution
Given:
Concept Used:
Probability of a coin choosing that it is not a quarter is calculated by taking the ratio of number of quarter minus from the total number of coins to total number of coins:
Where,
Total number of coins:
Number of quarter:
Calculation:
Need to calculate the total numbers of coins first by adding the number of pennies, nickels, dimes and quarter:
Probability of a coin choosing that it is not a quarter is:
Conclusion:
Hence, correct option is D.
Chapter 13 Solutions
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