Discrete and continious probability distributions

Question

Think of discrete and/or continuous random variables for the following experiments (in the majority of cases for the same experiment you can think of both)

A worker assembles a produc --
Discrete random variable- Assembles of the product during the last 7 days
Continuous random variable- failure rate of the assemble product

A student is passing an exam--
Discrete random variable- number of students passing in the exame.
Continuous random variable- markes obtained in the particular subjects an exame.

Installation of computer software
Discrete random variable- ?
Continuous random variable- ?

Looking for an apartment to rent
Discrete random variable- ?
Continuous random variable- ?

Searching for focus group members for 1 month
Discrete random variable- ?
Continuous random variable- ?

Answer 1

Installation of computer software
Discrete random variable- Number of software's installed
Continuous random variable- Time it take to install the software

Looking for an apartment to rent
Discrete random variable- number of apartment visited
Continuous random variable- average rent of apartment

Searching for focus group members for 1 month
Discrete random variable- number of group members found
Continuous random variable- average time it take to search one member

 

Hope it helps