Answer:
Parameter
Step-by-step explanation:
We are given the following in the question:
The average age of men who had walked on the moon was 39 years, 11 months, 15 days.
Population and sample:
- Population is the collection of all observation for variable of interest or individual of interest.
- Sample is a subset for population.
Parameter and statistic:
- Any variable or value describing a population is known as parameter.
- Any value describing a sample is known as statistic.
Population of interest:
men who had walked on the moon
Value:
average age of men who had walked on the moon
Thus, the give value describes a population and hence, it is a parameter.
Answer:
x=(8-3y)÷4
Step-by-step explanation:
4x= 8-3y
x= 8-3y
___
4
Answer:
20 rolls
Step-by-step explanation:
there is 20 in each roll 410/20 is 20.8.
Answer:
720
Step-by-step explanation:
12 percent of 5 You can find by
(12/100)*5