2 years ago

What is the difference between a random and biased sample?

1 answer:

3 0

Random probably wont go with other people said, biased may go for what has most reviews

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Ivanshal [37]

Y + 4x = 8
y = 8 - 4x
substitute 8 - 4x for y in the other equation.
5x + 2(8 - 4x) = 13
5x + 16 - 8x = 13
-3x = -3
x = 1
y = 8 - 4(1) = 4

4 0

3 years ago

Reil [10]

Step-by-step explanation:

All steps are in pic above.

Note:if you have any questions about it let me know.

4 0

2 years ago

dedylja [7]

X-7=8
Add 7 to both sides so you can isolate the variable
x=15

8 0

2 years ago

pashok25 [27]

Answer:

$15

Step-by-step explanation:

6 0

2 years ago

3241004551 [841]

Answer: Hence, the value of expression is 30 when p = 8.

Step-by-step explanation:

Since we have given that

$4p-2$

and we have p = 8.

So, we substitute the value of p in the above expression.

so, it becomes,

$4(8)-2\\\\4\times 8-2\\\\=32-2\\\\=30$

Hence, the value of expression is 30 when p = 8.

3 0

3 years ago