Answer to Question #139377 in Statistics and Probability for ken

Question

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.

Answer 1

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.