AP BIOLOGY

HEREDITY

BASICS OF PROBABILITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following describes experimental probability?
A
Perform a situation and count the number of possibilities
B
Use trials to count the number of desired outcomes
C
Perform an experiment to determine the probability of an event
D
Use a formula to determine the expected probability of an event
Explanation: 

Detailed explanation-1: -An experiment is repeated a fixed number of times and each repetition is known as a trial. Mathematically, the formula for the experimental probability is defined by; Probability of an Event P(E) = Number of times an event occurs / Total number of trials.

Detailed explanation-2: -Experimental probability is probability that is determined on the basis of the results of an experiment repeated many times.

Detailed explanation-3: -The probability of an event occurring is intuitively understood to be the likelihood or chance of it occurring. In the very simplest cases, the probability of a particular event A occurring from an experiment is obtained from the number of ways that A can occur divided by the total number of possible outcomes.

Detailed explanation-4: -This is the experimental probability definition. So for example, if you’re asked for the probability of getting heads after flipping a coin 10 times, the experimental probability will be the number of times you got heads after flipping a coin 10 times.

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