Question #139377

TRUE OR FALSE

1. In a probability distribution, the probability of each event in the sample space is greater than or equal to 1.

2. The number of tacos a food truck serves each day is an example of a discrete variable.

3. Surveying 25 people who just watched a movie to see if they liked the film is considered as a binomial experiment.

4. The total area under the normal distribution curve is less than 1.

5. The data values in a normal distribution curve is less on the area to the right of 4 standard deviations away on the right side of the
mean as compared to the area between 2 standard deviations from
the left and right side of the mean.

Expert's answer

1. False because it always is greater than or equal to zero, and less than or equal to one.

2.True because it is countable.

3.True because the experiment consists of n identical trials and each trial results in one of the two outcomes, called success and failure.

4.False because it is equal to 1.

5.

True because 95% of the population is within 2 standard deviations of the mean.






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