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What is she binomial probability distribution is used with?
It is used when repeated trials are carried out , in which there are only two outcomes (success and failure) and the probability of success is a constant and is independent of the outcomes in other trials.
Why is it important to carry out a large number of trials in determining probability?
If you only carry out a few trials, then how can you know how many times a particular situation will occur? One has to do a lot of trials in order to determine how many times that situation will happen so he can conclude the probability he's looking for.
The probability of an event is 20 percent How many times should you expect this event to occur in the given number of trials 15 trials 40 trials 75 trials 120 trials?
15 trials: 3 times 40 trials: 8 times 75 trials: 15 times 120 trials: 24 times But don't bet on it.
How do you differentiate a Poisson distribution and a binomial one in a level qns?
The Poisson distribution is characterised by a rate (over time or space) of an event occurring. In a binomial distribution the probability is that of a single event (outcome) occurring in a repeated set of trials.
What happens to theoretical and experimental probability when you increase the number of trials?
When you increase the number of trials of an aleatory experiment, the experimental probability that is based on the number of trials will approach the theoretical probability.
Why is repitition important in an experiment?
When conducting an experiment, repitition is often a good idea. This is because the data from different repeated trials could well very, meaning that the more repeated trials you have, the more accurate your final data is bound to be.
What are trials in an experiment?
Trials are the amount of times a certain experiment is repeated.
What can you use to find experimental probabilities?
Repeated trials.
What do the scientists do their experimental tests more than once so they can reduce the effects of chance errors this is called conducting?
Repeated Trials
What are experimental probabilities based on?
A large number of repeated trials.
What probability is based on repeated trials of an experiment?
Experimental Probability
How do scientists make sure that their results are valid?
repeated trials
What increases the validity of an experiment?
Repeated trials of said experiment.
How do you get relative frequency?
The relative frequency of an event, from repeated trials, is the number of times the event occurs as a proportion of the total number of trials - provided that the trials are independent.
What is a probability is based on repeated trials of an experiment?
It is empirical (or experimental) probability.
What is called probability that is based on repeated trials of an experiment?
The probability that is based on repeated trials of an experiment is called empirical or experimental probability. It is calculated by dividing the number of favorable outcomes by the total number of trials conducted. As more trials are performed, the empirical probability tends to converge to the theoretical probability.
What are repeat trials?
Repeated Trials: The number of trials preformed during a scientific experiment, with the purpose of receiving a more accurate result (minimizing the effects of errors or outliers).
