The passing standard is a scale score of 600; therefore, any score of 600 or higher is a passing score, and any score below 600 is a failing score. The number of questions that have to be answered correctly to achieve a score of 600 can change from form to form, but is generally within a 1-2 question range.
On all airlines, overweight baggage fees are normally even higher, ranging from $50 (Alaskan-Horizon Air) to $100-200 (United Airlines). Paying for checked luggage started in 2008 when American Airlines started charging a $15 fee for a first checked bag, and many airlines quickly followed suit.
Alaska isn't the only airline to increase its ticket change fees. American Airlines, Delta, United Airlines and US Airways all changed their fees to from $150 to $200 on domestic flights in May. The airline expects the fee increase to bring in $50 million in added revenue.