Concept explainers
(a)
To find: the number of ways can a vending company purchase four of these units and receive all good units.
(a)
Answer to Problem 72E
All units is good the purchase ways is 17550.
Explanation of Solution
Given Information:
A shipment of 30 flat screen televisions contains three defective units.
Calculation:
A shipment of 30 flat screen televidions contains three defective units. Company purchases four of these units.
Godd unit is
All good unit mean,
Hence when all units is good the purchase ways is 17550.
(b)
To find: the number of ways can a vending company purchase four of these units and receive two good units and two bad mean,
(b)
Answer to Problem 72E
Two good units and two bad purchase ways is 1053.
Explanation of Solution
Given Information:
A shipment of 30 flat screen televisions contains three defective units.
Calculation:
A shipment of 30 flat screen televidions contains three defective units. Company purchases four of these units.
Godd unit is
Two good units and two bad mean,
Hence when two good units and two bad purchase ways is 1053.
(c)
To find: the number of ways can a vending company purchase four of these units and receive at least two good units.
(c)
Answer to Problem 72E
At least two good unit purchase ways is 27378.
Explanation of Solution
Given Information:
A shipment of 30 flat screen televisions contains three defective units.
Calculation:
A shipment of 30 flat screen televidions contains three defective units. Company purchases four of these units.
Godd unit is
At least two good unit mean,
Hence when at least two good unit purchase ways is 27378.
Chapter 8 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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