The answer should be number 4
1/4, 2/5, 0.5, 0.75
1/4 is 0.25
2/5 is 0.40
Then order from least to greatest.
Answer: Stratified sampling
Step-by-step explanation:
Stratified sampling is a random sampling method in which the population is divided into non-coinciding groups are called strata and a sample is picked out by some design within each stratum.
Given: A researcher wants to survey people from different age groups to analyze voting patterns.
Thus he will make different groups according to different ages to analyze voting patterns that are called stratum.
Thus, Stratified sampling best accomplish this goal.
Answer:
Step-by-step explanation:
step 1
Find the length side PQ
we know that
The area of rectangle PQRS is given by
so
substitute the value of QR
solve for PQ
step 2
Find the length side AB
we know that
The perimeter of rectangle ABCD is given by
we have
substitute
solve for AB
