The parameter of the study's population is the 80% of all customers who shopped in the chain's stores that were interested in the home delivery service.
Population parameter is defined as any summary number that describes the entire population. It can be an average or a percentage/
The 1,000 customers that were surveyed are the sample of the population. They basically represent the population of the chain's customers.
Answer:
What is a Perfect Square? A perfect square is a number which is generated by multiplying two equal integers by each other. For example, number 9 is a perfect square because it can be expressed as a product two equal integers being: 9 = 3 x 3.
Step-by-step explanation:
Answer:
The percent increase is approximately 21%
Step-by-step explanation:
85 - 70 = 15
15/70 = 0.21
Move decimal over twice to the right and you would get 21%
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38.48 cm. This is so because the equation to find circumference is

R squared.