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Asked Jan 26, 2020
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Brand Recognition In a study of brand recognition of Sony, groups of four consumers are interviewed. If x is the number of people in the group who recognize the Sony brand name, then x can be 0, 1, 2, 3, or 4, and the corresponding probabilities are 0.0016, 0.0250, 0.1432, 0.3892, and 0.4096. Does the given information describe a probability distribution? Why or why not?

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Expert Answer

Step 1

Given probability distribution:

Statistics homework question answer, step 1, image 1
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Step 2

We have to check given probability distribution satisfied all the requirements of probability distribution or not.

The following requirements should be satisfied for the distribution to follow the probability distribution:

Statistics homework question answer, step 2, image 1
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Step 3

First condition is satisfied as all the values of x are numerical and having their respective probabilit...

Statistics homework question answer, step 3, image 1
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