Question

orchestras should perform more pieces composed by women. a nationwide survey conducted by the baltimore symphony orchestra said that only “1.3% of all of the music performed” by 85 american orchestras in the 2016-2017 season was written by women.
strong source information and a strong reporting verb
weak source information
a weak reporting verb
no source information or reporting verb

Explanation:

The sentence has a specific source (Baltimore Symphony Orchestra) and a strong reporting verb ("said") along with detailed survey info (nationwide, 85 orchestras, 2016 - 2017 season, 1.3% statistic). So it fits "Strong Source Information and a Strong Reporting Verb".

Answer:

Strong Source Information and a Strong Reporting Verb