Anna's Antiques expects to get two bidders for the unique china teacup it sells.Each of the bidders can either have a high-value of $100 or a low-value of $70 with equal probability.If Anna can only set one price,what price should she set?

A) ​$100
B) $70
C) Any price higher than $100
D) ​Any price lower than $70

What was a major change between the third and fourth editions of the Standards for Educational and Psychological Testing,as it relates to validity?

A) The fourth edition included a tripartite view of validity
B) The fourth edition included a unified view of validity
C) The fourth edition emphasized scientific rigor when investigating validity
D) The fourth edition eliminated discussion of validity