Answer to Question #317217 in Statistics and Probability for junior

Question

Determine whether the random variable x is discrete or continuous. Explain.

• . Let x represent the number of cars in a university parking lot.
• Let x represent the length of time it takes to complete an exam.
• Let x represent the number of times a book is issued from the library.
• Let x represent the number of tornadoes in the month of May in Oklahoma.
• Let x represent the weight of a student’s school bag.

Answer 1

1. Discrete. The number of cars are countable.
2. Continuous. Time is measured thus a continuous case.
3. Discrete. The number of times a book is issued is countable.
4. Discrete. Tornadoes are countable.
5. Continuous. Weight is measured.