If
\( p \): It is raining today,
\( q \): I go to school,
\( r \): I shall meet my friends,
and \( s \): I shall go for a movie, then which of the following represents:
"If it does not rain or if I do not go to school, then I shall meet my friend and go for a movie?"
If a random variable \( x \) has the probability distribution 
then \( P(3<x \leq 6) \) is equal to
An infinitely long straight wire carrying current $I$ is bent in a planar shape as shown in the diagram. The radius of the circular part is $r$. The magnetic field at the centre $O$ of the circular loop is :

A statement is a sentence that is either true or false, but not both true and false simultaneously.
Since one of the given statements i.e. a is true, therefore, a or b is true.