Find the experimental probability of a “Three” or “Four”.

Experimental probability =

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Incorrect

Hint

\(\text{Experimental probability } = \dfrac{{\text{favourable outcomes }}}{{\text{total number of trials }}}\)

Question 2 of 10

2. Question

A box contains 1 black and 8 white balls. Find the probability of getting two same colours if replacement does not occur. Answer to two decimal places.

Correct

Incorrect

Question 3 of 10

3. Question

Given \(P\left( A \right) = \dfrac{1}{2}\) and \(P\left( B \right) = \dfrac{1}{3}\), find \(P\left( {A\text{ or }B} \right)\), correcting to one decimal place.