THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING

question 144

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING:
In a shipment of 18 trucks to a local truck dealer,there are four trucks that don't have air conditioning.Assume that you select four trucks at random.
-What is the probability that two of the four don't have air conditioning?

• A)0.121
• B)0.145
• C)0.178
• D)0.212

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Definitions:

Polar, Aprotic Solvents

Solvents that possess a dipole but do not have an acidic hydrogen, often used in organic synthesis.

Nucleophilicity

A property of chemical species that reflects their tendency or ability to donate an electron pair to an electrophile to form a chemical bond.

Basicity

A measure of the ability of a compound to accept protons.

Nucleophilicity

A measure of a molecule or ion's strength as a nucleophile, or its ability to donate an electron pair to an electrophile.