A bag contains numbered balls from $2$ to $31$. A ball is picked at random from the bag. Find th

Question

A bag contains numbered balls from $2$ to $31$. A ball is picked at random from the bag. Find the probability that the number on the ball is either a perfect square or a factor of $30$, either a prime number or multiple of $4$.

Accepted Answer

(a) $\displaystyle\frac{11}{30}$ (b) $\displaystyle\frac{3}{5}$

Diagnostic Assessment: Mutually Exclusive vs. Independent Events

Diagnostic Assessment: Mutually Exclusive vs. Independent Events

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