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mamaluj [8]
3 years ago
8

Because psychologists generally use college students as research participants, the research does NOT involve Group of answer cho

ices random sampling. convenience sampling. confounds. random assignment.
Mathematics
1 answer:
SOVA2 [1]3 years ago
4 0

Answer: random sampling

Step-by-step explanation:

Because psychologists generally use college students as research participants, the research does not involve random sampling.

Random sampling is when each sample has an equal chance of being selected. Since the psychologists are targeting a particular set of students, the random sampling might not be applicable in this case.

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A house hunter on Long Island estimates that 20% of the available houses in her price range are in acceptable condition. Further
Otrada [13]

Answer:

36% probability that she will find an acceptable house in the first two weeks that she looks.

Step-by-step explanation:

For each house, there is a 20% probability of it being acceptable. And a 100-20 = 80% of not being acceptable

What is the probability that she will find an acceptable house in the first two weeks that she looks (round off to second decimal place)?

She only looks one house a week.

So this is the same as the probability of taking two or less weeks to find a house.

The are two outcomes

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Not finding an acceptable house in the first week, with 80% probability, and then finding an acceptable house in the second week, with 20% probability.

Probability:

P = 0.2 + 0.8*0.2 = 0.36

36% probability that she will find an acceptable house in the first two weeks that she looks.

4 0
3 years ago
Writing and Evaluating an Algebraic Expression Try it five more than the product of two and a number, decreased by seven; evalua
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Answer:

7

Step-by-step explanation:

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5 0
3 years ago
Solve the systme of equations using elimination<br> X+Y=2<br> X-Y=4
kirza4 [7]

Answer:

x=3

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Step-by-step explanation:

x=4+y

by substitution it in equation 1

weget

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4 0
3 years ago
I NEED ANSWER ASAP! I WILL MARK THE ANSWER AS THE BRAINLIEST! Determine the value of "a".
abruzzese [7]

Answer:

i think a=5

Step-by-step explanation:

4 0
3 years ago
How do you simplify expressions​
ch4aika [34]

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3 years ago
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