Quizzes
In an economic context, a Bernoulli distribution can be used to model:
a. The distribution of income across a population
b. The probability of a consumer making a purchase or not
c. The stock market index changes
d. The gross domestic product (GDP) growth rate
Show answer
b. The probability of a consumer making a purchase or not
If a consumer has a 30% chance of buying a product, what is the probability that they do not buy the product?
a. 0.3
b. 0.7
c. 0.5
d. 0.9
Show answer
b. 0.7
In an experiment where the success is defined as a company making a profit, which of the following best represents a Bernoulli trial?
a. Measuring the profit margin of a company
b. Recording whether a company made a profit or not in a given year
c. Counting the number of products sold by a company
d. Assessing the annual growth rate of a company
Show answer
b. Recording whether a company made a profit or not in a given year
In an engineering context, which of the following scenarios can be modeled using a Bernoulli distribution?
a. The time taken to complete a task
b. The success or failure of a machine component
c. The number of tasks completed in an hour
d. The weight of manufactured parts
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b. The success or failure of a machine component
If a certain machine component has a failure rate of 5%, what is the probability that the component will function correctly?
a. 0.95
b. 0.05
c. 0.5
d. 0.25
Show answer
a. 0.95
Which of the following is an example of a Bernoulli trial in the context of quality control in manufacturing?
a. Measuring the dimensions of a part
b. Checking if a part is defective or not
c. Counting the number of defective parts in a batch
d. Recording the time taken to produce a part
Show answer
b. Checking if a part is defective or not
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