Mitch, a blogger who creates content about time mana ment and productivity, has a YouTube channel. Mitch is reviewing the analytics data for his most recent $60-$second video post and learns the following: $75$ views, $120$ impressions, $80$ impression click$-$throughs, and an average view duration of $40$ seconds. Which of the following statements accurately describes the video's performance?

a$.75$ unique $($different$)$ viewers watched at least $30$ seconds of Mitch's video.

b$.$ There were $75$ instances in which a viewer watched at least $30$ seconds of Mitch's video.

c$.$ There were $80$ instances in which viewers commented on or shared Mitch's video.

d$.$ All of these statements accurately describe Mitch's video performance.

e$.$ There were $120$ instances in which viewers started Mitch's video, although some did not watch it for at least $30$ seconds.

Moving to another question will save this response.

$$ Question $2$ of $10$