The Full Deal
If you pass as suggested, you stand to score at least plus 200; plus 200 is 68%, plus 300 is 74%, and plus 400 is 77%. Many NS pairs played in hearts, often at the four level, usually taking nine tricks but sometimes eight and sometimes ten. NS pairs in notrump usually saw EW run the club suit. Deal C157.
To explore alternative lines of play and defense, use this link: https://tinyurl.com/2p368uve
One important skill is evaluating whether your hand is average, better than average, below average, great, or awful, in relation to its high card point count. We discuss that topic in the introductory Exercise in Real World Bridge 6: The Game Zone.
A recurring theme in Real World Bridge 5: Competitive Bidding Part Two is that typical competitive bidding auctions offer lots of opportunities to notice clues about the strength and shape of the other three hands. Finding those sorts of clues was a key to answering this Quiz.