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Author Question: Which of the random variables described below is/are discrete random variables?The random variable X ... (Read 97 times)

rachel9

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on: Apr 7, 2020

Question 1

A die is rolled repeatedly until a six appears. The random variable X represents the total number of rolls preceding the six. What are the possible values of the random variable X?
◦ 0, 1, 2, 3, 4, 5, 6
◦ 0, 1, 2, 3, 4, .....
◦ 1, 2, 3, 4, 5, 6
◦ 1, 2, 3, 4, .....

Question 2

Which of the random variables described below is/are discrete random variables?

The random variable X represents the number of heads when a coin is flipped 20 times.

The random variable Y represents the number of calls received by a car tow service in a year.

The random variable Z represents the weight of a randomly selected student.
◦ X and Y
◦ X only
◦ Y only
◦ X, Y, and Z
Introductory Statistics ¦ Weiss ¦ 10th Edition
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Marked as best answer by rachel9 on Apr 7, 2020

Hikerman221

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Reply #1 on: Apr 7, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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rachel9

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Reply 2 on: Apr 7, 2020
Wow, this really help

sarah_brady415

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Reply 3 on: Yesterday
Gracias!

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