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alekssr [168]
3 years ago
12

The probability of an operator entering alphanumeric data incorrectly into a field in a database is equally likely. The random v

ariable X is the number of fields on a data entry form with an error. The data entry form has 28 fields. Is X a discrete uniform random variable? Why or why not? (Please provide the mathematical details that lead to your answer.)
Mathematics
1 answer:
34kurt3 years ago
5 0

Answer:

Since P(0) and P(1) have not the same values for the probability, X is not a discrete uniform random variable.

Step-by-step explanation:

Probability of data to be correct: 0.5

Probability of data being incorrect: 0.5

The random variable X is the number of fields that have an error within the range of 28.

P(0) = 0.5^2^8

P(1) = ^2^8\text{C}_1 \times 0.5 \times 0.5^2^7 = 28 \times 0.5 ^2^8

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