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fiasKO [112]
4 years ago
13

True or false Controlled experiments can be randomized or nonrandomized

Mathematics
1 answer:
DIA [1.3K]4 years ago
3 0

Answer:

True

Step-by-step explanation:

Using a random chance procedure to assign subjects to treatment or control reduces bias. d. In a blind experiment, the subjects do not know whether they are in the treatment group or control group.

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goldenfox [79]

Answer:

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Step-by-step explanation:

7 0
3 years ago
73 = 87 - n what is n
enot [183]

Answer: 14

Step-by-step explanation:

Make n the subject.

73 = 87 - n

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n = 87 - 73

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6 0
3 years ago
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Solve for x: 3(x + 1)= -2(x - 1) + 6.
pickupchik [31]

Answer:

x=1

Step-by-step explanation:

3(x + 1)= -2(x - 1) + 6.

Distribute

3x+3 = -2x+2+6

Combine like terms

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Add 2x to each side

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Subtract 3 from each side

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Divide by 5

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4 0
4 years ago
A bus pass costs $9 per week. Which of the following equations shows the total cost in dollars, t, of the bus pass for a certain
Julli [10]
(total cost in dollars) = (cost per week)*(number of weeks)
t = 9*w
t = 9w

----------------------------------------------------------------------------------

Final Answer: Choice B) t = 9w

4 0
3 years ago
X(3+y-2) ; use x=3 and y=3
maria [59]

Answer:

12

Step-by-step explanation:

Put in 3 for x and 3 for y:

3(3 + 3 - 2)

3(4)

12

8 0
3 years ago
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