Answer:
B: A systematic random sample
Step-by-step explanation:
Systematic sampling is a type of probability sampling in which members of a larger population are chosen at random from a larger population but at a fixed, periodic interval. This interval, also known as the sampling interval, is calculated by dividing the population size by the sample size desired. Despite the fact that the sample population is chosen in advance, systematic sampling is still considered random if the periodic interval is set in advance and the starting point is chosen at random.
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(35+t)/(5+t)=3 --> 35+t = 15+3t --> 20=2t --> t=10 years
Dad: 45, son: 15 (works!)
Answer:
Step-by-step explanation:
The point-slope form of an equation of a line:
We have
Substitute:
The standard form of an equation of a line:
Convert
Answer:
y=25x-5
Step-by-step explanation:
y=mx+b
the 25=m and the constant would be 5. However its a negative five because your losing -5 every hour.
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