Critical Value: Z = 2

question 40

Multiple Choice

Critical value: z = 2.33. Fail to reject null hypothesis. There is not sufficient evidence to support the claim
that more than half of all those using the drug experience relief.
-An airline claims that the no-show rate for passengers booked on its flights is less than 6%. Of 380 randomly selected reservations, 18 were no-shows. Find the P-value for a test to support the airline's claim.

• A) 0.1230
• B) 0.1492
• C) 0.0746
• D) 0.3508

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Definitions:

Electrons

Subatomic particles with a negative electric charge, found in all atoms and acting as the primary carrier of electricity in solids.

Lewis Structure

A representation of molecules showing all the valence electrons and highlighting the bonding between atoms.

Chloromethane

A colorless and highly volatile compound, used as a refrigerant, propellant, and in the synthesis of other chemicals.

Lone Pairs

Pairs of valence electrons not involved in bonding, but which occupy space around an atom, influencing molecular shape and reactivity.