A box contains 7 Globe valves, 5 Gate valves and 2 Diaphragm valves with the same shape. A valve is drawn at random from the box. Find the probability that the drawn valve is (1) Globe valve. (2) Globe or Gate valve. (3) Butterfly valve.

EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN:9781337516549
Author:Simmons
Publisher:Simmons
Chapter27: Service-entrance Equipment
Section: Chapter Questions
Problem 43R
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(Home Work)
A box contains 7 Globe valves, 5 Gate valves and 2 Diaphragm valves with the
same shape. A valve is drawn at random from the box. Find the probability that the
drawn valve is
(1) Globe valve.
(2) Globe or Gate valve.
(3) Butterfly valve.
(4) Not Diaphragm valve.
(5) Neither Gate or Diaphragm.
Transcribed Image Text:(Home Work) A box contains 7 Globe valves, 5 Gate valves and 2 Diaphragm valves with the same shape. A valve is drawn at random from the box. Find the probability that the drawn valve is (1) Globe valve. (2) Globe or Gate valve. (3) Butterfly valve. (4) Not Diaphragm valve. (5) Neither Gate or Diaphragm.
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