Concept explainers
a.
To calculate:
The probability that in a randomly chosen week there will be more than 20 deliveries
a.
Answer to Problem 6PPS
The probability for a randomly chosen week which have more than 20 deliveries is
Explanation of Solution
Given information:
Number of weeks having 0 to 5 deliveries is 0
Number of weeks having 6 to 10 deliveries is 9
Number of weeks having 11 to 20 deliveries is 18
Number of weeks having 21 to 25 deliveries is 12
Number of weeks having more than 26 deliveries is 13
Calculation:
The probability that a random chosen week has more than 20 deliveries can be calculated when number of weeks which have more than 20 deliveries is divisible by total number of weeks,
Therefore, the probability for a randomly chosen week which have more than 20 deliveries is
b.
To calculate:
The probability that a randomly chosen week have fewer than 21 deliveries
b.
Answer to Problem 6PPS
The probability for randomly chosen week have fewer than 21 deliveries is
Explanation of Solution
Given information:
Number of weeks having 0 to 5 deliveries is 0
Number of weeks having 6 to 10 deliveries is 9
Number of weeks having 11 to 20 deliveries is 18
Number of weeks having 21 to 25 deliveries is 12
Number of weeks having more than 26 deliveries is 13
Calculation:
The probability for randomly chosen week have less than 21 deliveries can be calculated when number of weeks having 20 or less deliveries is divisible by total number of weeks,
Therefore, the probability for randomly chosen student week have less than 21 deliveries is
Chapter 12 Solutions
Algebra 1
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