Answer:
1, 2, 4
Step-by-step explanation:
Why is it necessary that researchers use randomization to assign each of the adults to a group?
- randomization ensures each group will be similar in everything except the time of day they are assigned to work
- randomization prevents the adults from selecting their own group
- randomization eliminates lurking variables from the experiment
- randomization prevents the researches from specifically assigning all adults who regularly stay up late to complete assigned tasks late at night
- randomization ensures that there will an equal number of adults in each group
Randomization ensures that there is no selection bias.
Answer:
29
Step-by-step explanation:
4 - 25i^2
4 - 25x(-1)
4 + 25 = 29
the ^2 means exponent 2
Answer:
D
Step-by-step explanation:
27÷3=9
All things being equal; demand decreases, as price increases.
The quantity supplied when price is $4 is 28
From table 4.4 (see attachment).
When price = $4, we have the following supplies:
- <em>Firm A = 6</em>
- <em>Firm B = 6</em>
- <em>Firm C = 8</em>
- <em>Firm D = 10</em>
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So, the total supply at $4 is:
Hence, the quantity supplied when price is $4 is 28
Read more about demand and supply at:
brainly.com/question/13353440
