2 years ago

Identify the sampling technique used. Every 17th person in line to buy tickets to a concert is asked his or her age.

Mathematics

1 answer:

Charra [1.4K]2 years ago

5 0

Answer:

systematic sampling

Step-by-step explanation:

This is when you start at a person (using a number that is randomly generated) and go up in intervals to select a sample.

Hope this helps!

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Ksivusya [100]

Answer:

Ben is incorrect

The solutions are x>-3 and x < 3

Step-by-step explanation:

we have

$-x^{2} +9 > 0$

Multiply by -1 both sides

$x^{2} -9 < 0$

Adds 9 both sides

$x^{2} < 9$

The solutions are

$x < 3$

and

$-x < 3$ -----> Multiply by -1 both sides ----> $x > -3$

therefore

The solution is the interval (-3,3)

Ben is incorrect

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Eduardwww [97]

Answer:

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Step-by-step explanation:

Using the rule of exponents

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