In which of the following should the random variable X not be modeled with a geometric distribution?

D)

In a bag of 30 different colored candies, about 20% are red. One candy will be selected one at a time without replacement, and its color will be recorded. Let  X  represent the number of candies selected before red is selected.

Explanation:

The selections are not independent because they do sampling without replacement which makes it so there is not an equal chance of being selected each round.

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Some connecting rods have to lubricate the cylinder wall or piston pin. the answer is letter d. graphite coating can be a major  additive to many  coating  systems and things such as connecting rods.  it functions as a refractory, lubricant, thermal conductor, and electrical conductor for a machine or thing to enhance its work.