A biased sample is one in which every member of the group has an equal chance of being chosen. True or false?

Answers

Answer 1

Answer:

This statement is false, in a biased sample every member does not have an equal chance of getting selected.

What is a biased sample?

If some individuals or groups from the population are not represented in the sample, the sample is biased.

Example of a biased sample:

The graph presented in the figure below, represents the drug usage by school students but this is a biased data because it does not include the students who have already passed out from the school or the students who were studying from home, as this data is not the complete data hence it is an example of a biased sample.

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Answer 2

Answer:

Answer:

false

Step-by-step explanation:

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Write a word problem that can be solved by finding the numbers that have four as a factor

Answers

Chelsea has two red balls Chelsea's friend Marcy has two times that many balls how many balls does Marcy have ?

How do you write 525.048 in word from

Answers

five hundred twenty-five and forty-eight thousandths...
hope this helps! :D

five hundred and twenty five point zero four eight is the answer for the question

Solve the system of equations y=8x+15 and y=x+57

Answers

Answer:

x=6, y=63

Step-by-step explanation:

since both equal y, they equal each other-

8x+15=x+57

7x=42

x=6

then to solve for y-

y=(6)+57

y=63

Simplify write equivalent expressions. 4-2+(3b+6)

Answers

The first thing you want to do in this equation is get rid of the parenthesis. Because 4-2 is added to (3b+6) you cannot distribute the 2. However, there is an invisible 1 next to the parenthesis, so you can use that. Additionally, I like to change subtraction to addition of a negative number. It makes things a little less confusing.

4+ -2 + 3b + 6

Now just combine the like terms.

4 + -2 = 2
6+ 2 = 8

So the simplified version of your problem is: 3b + 8

4- 2+ (3b+6)
= 2+ 3b+ 6
= 3b + (2+6)
= 3b+ 8

Hope this helps~

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