Travelocity Would Like to Test If the Standard Deviation for Roundtrip

Multiple Choice

Travelocity would like to test if the standard deviation for roundtrip airfares between New York and London is less than $200. The correct hypothesis statement would be _____.

A) H₀: a² = 200; H₁: a² × 200
B) H₀: µ c 200; H₁: µ < 200
C) H₀: a² c 40,000; H₁: a² < 40,000
D) H₀: a c 40,000; H₁: a < 40,000