Answer:
Discrete: Number of items purchased by a customer at a grocery store. Number out of 10 customers who pay with a credit card.
Continuous: Time required to solve a puzzle; Length of a piece of lumber.
Explanation:
Consider the provided information.
A discrete variable is a variable whose value is obtained by counting and they can be described by an integer value.
A continuous variable is a variable whose value is obtained by measuring.
Thus, discrete variables are:
The number of items purchased by a customer at a grocery store.
Number out of 10 customers who pay with a credit card
Continuous variables are:
Time required to solve a puzzle.
Length of a piece of lumber.