Video Viewing Platform Preferred TV Screen 35 Viewer Age 18-34 35-54 55+ Column Total Mobile/Laptop Device 32 Row Total 67 22 11 100 11 11 4 47 7 53 Find the following probabilities or percentages: (a) Probability that a viewer is aged 18–34. (Round your answer to 2 decimal places.) Probability 0.67 (b) Probability that a viewer prefers watching videos on a TV screen. (Round your answer to 2 decimal places.) Probability 0.53 (c) Percentage of viewers who are 18–34 and prefer videos on a mobile or laptop device. Percentage of viewers 32 % (d) Percentage of viewers given they are 18–34 who prefer videos on a mobile or laptop device. (Round your answe decimal places.) Percentage of viewers 47.76 % (e) Percentage of viewers who are 35–54 or prefer videos on a mobile or laptop device. Percentage of viewers 0.58 %

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Compound Probability

Compound probability can be defined as the probability of the two events which are independent. It can be defined as the multiplication of the probability of two events that are not dependent. 

Tree diagram

Probability theory is a branch of mathematics that deals with the subject of probability. Although there are many different concepts of probability, probability theory expresses the definition mathematically through a series of axioms. Usually, these axioms express probability in terms of a probability space, which assigns a measure with values ranging from 0 to 1 to a set of outcomes known as the sample space. An event is a subset of these outcomes that is described. 

Conditional Probability

By definition, the term probability is expressed as a part of mathematics where the chance of an event that may either occur or not is evaluated and expressed in numerical terms. The range of the value within which probability can be expressed is between 0 and 1. The higher the chance of an event occurring, the closer is its value to be 1. If the probability of an event is 1, it means that the event will happen under all considered circumstances. Similarly, if the probability is exactly 0, then no matter the situation, the event will never occur.