The following contingency table shows the information of 107 samples of air conditioning systems: Gas Leak: Yes Gas Leak: NO Total Electrical Failure: Yes 55 17 72 Electrical Failure: 32 No 3 35 Total 87 20 107 The probability that a sample has gas leak is 72/107 D 55/87 D 55/107 Based on the table in 7(a), the probability that a sample has gas leak and electrical failure is O 55/87 O 55/72 O 87/107 O 55/107 Based on the table in 7(a), the probability that a sample has electrical failure given that it has gas leak
The following contingency table shows the information of 107 samples of air conditioning systems: Gas Leak: Yes Gas Leak: NO Total Electrical Failure: Yes 55 17 72 Electrical Failure: 32 No 3 35 Total 87 20 107 The probability that a sample has gas leak is 72/107 D 55/87 D 55/107 Based on the table in 7(a), the probability that a sample has gas leak and electrical failure is O 55/87 O 55/72 O 87/107 O 55/107 Based on the table in 7(a), the probability that a sample has electrical failure given that it has gas leak
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Transcribed Image Text:The following contingency table shows the information of 107 samples of air conditioning systems:
Gas Leak: Yes
Gas Leak: NO
Total
Electrical Failure:
55
Yes
17
72
Electrical Failure:
32
No
35
Total
87
20
107
The probability that a sample has gas leak is
O 72/107
O 55/87
O 55/107
Based on the table in 7(a), the probability that a sample has gas leak and electrical failure is
O 55/87
O 55/72
8/107
O 55/107
Based on the table in 7(a), the probability that a sample has electrical failure given that it has gas leak
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