Answer:
[tex]1-r[/tex]
Step-by-step explanation:
Probability is the chance of occurrence of any event.
Value of probability is greater than or equal to [tex]0[/tex] and less than or equal to [tex]1[/tex].
Probability that Andrei cycles to school [tex]=r[/tex]
Therefore,
Probability that Andrei does not cycle to school [tex]=1-[/tex] Probability that Andrei cycles to school
[tex]=1-r[/tex]
