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Answer:
The experimental probability of rolling a 4 in the next trial is .
Step-by-step explanation:
The experimental probability is the ratio of the favorable outcomes to the total number of outcomes.
That is, the probability of an event <em>E</em> is:
Here,
<em>n</em> (E) = favorable outcomes
<em>N</em> = total number of outcomes
It is provided that Deon rolled a six-sided die 40 times.
And in these 40 rolls, the number 4 appeared 15 times.
A six-sided die has an equal probability of landing on any of the six numbers.
The rolling a die is an independent event experiment, i.e. the result of the previous roll does not affect the result of next roll.
Let <em>X</em> = number on the face of the die
Compute the probability of rolling a 4 in the next trial as follows:
P (Rolling a 4) = P (X = 4)
Thus, the experimental probability of rolling a 4 in the next trial is .
