Answer:
a
Step-by-step explanation:
Answer:
- 11/20
Step-by-step explanation:
1/5 - 3/4
Make denominators equal.
4/20 - 15/20
Subtract the fractions.
- 11/20
Answer: discrete.
Step-by-step explanation:
Discrete variable
It is a variable whose value is evaluated by counting.
Example: Number of books published in a month.
Continuous variable
It is a variable whose value is evaluated by measuring ( not countable).
Example: Distance: 1.52 m
Since the number of dental visits a randomly chosen person had for the past 5 years is a countable.
here, Variable: Let X =number of dental visits a randomly chosen person had for the past 5 years
So, the random variable described is discrete.
Answer:15
Step-by-step explanation:
The box on the left is square in a square all side are equal
