A. ) The probability of all 3 parts are non defective :-
48:3
B.) The probability that the part selected from box 1 is defective :-
1:1
The probability of the parts selected from box 2 and 3 are non defective :-
49:2
C.) The probability that two parts are non-defective and one part is defective :-
48:2 / 1:1
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The cost of the gasoline in US dollars is $53.24.
<h3 /><h3>Definition of exchange rate</h3>
Exchange rate is the rate at which one currency is exchanged for another currency. In this question, $1 would be exchanged for 1.26 Canadian dollars.
<h3>Conversion of 15 gallons to liters</h3>
In order to convert 15 gallons to liters, multiply 15 by 3.79
15 x 3.79 = 56.85 liters
<h3>Total cost of of 56.85 liters in Canadian dollars </h3>
56.85 liters x C$1.18 = C$67.083
<h3>Total cost in US dollars</h3>
C$67.083 / 1.26 = $53.24
To learn more about exchange rate, please check: brainly.com/question/25780725
Answer:#1- x = 19.5
#2- x = 21
Step-by-step explanation:hope this helps :)
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