As you can see, there’s less and less upfront hints and guidance. It’ll help us develop our data intuition further, a real habit for writing SQL. 
In this exercise calculate the soft activation rate for all mobile signups.
As usual, submit the integer part of the answer. If the soft activation rate is 39,96666% submit 39 as the answer.
About SQL Habit
Hi, it’s Anatoli, the author of SQL Habit. 
SQL Habit is a course (or, as some of the students say, “business simulator”). It’s based on a story of a fictional startup called Bindle. You’ll play a role of their Data Analyst 
and solve real-life challenges from Business, Marketing, and Product Management.
SQL Habit course is made of bite-sized lessons and exercises (you’re looking at one atm). They always have a real-life setting and detailed explanations. You can immediately apply everything you’ve learned at work. 
