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Paladinen [302]
3 years ago
9

A lab is conducting a test to see if people prefer chip A or chip B. The steps in the test are outlined below:

Mathematics
2 answers:
Anarel [89]3 years ago
7 0

Answer:

Step 4. Tell them which one you like and ask if they still prefer the one they chose.

Step-by-step explanation:

Steps 1, 2 and 3 are absolutely right because this is the true way in which any test can be conducted. Step 4 is the one that could produce biased results. This is because, if a person like chip A but you told them that you like chip B, he can say that yes B was better.You can also manipulate people to change their results. Hence, this step can lead to biased result.

VLD [36.1K]3 years ago
3 0
4 step most likely sorry if wrong
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Christopher has a credit card with an APR of 13.13%. The card uses the adjusted balance method to calculate finance charges. The
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Answer: the answer is <u>D.$513.74</u>


Step-by-step explanation:


7 0
3 years ago
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If m∠M=25∘ and ∠M is translated up 7 units and right 8 units to ∠M′, what is the measure of ∠M′?
olga2289 [7]

Answer: 25∘

Step-by-step explanation: I have the same question and it said 25∘ is right because I don't think the angle changes when you are just moving it a few units up down left or right.

8 0
3 years ago
There is a 60% chance of rain on Saturday and a 20% chance of rain on Sunday. Assume that the event that it rains on Saturday is
Vsevolod [243]

Answer:

0.56

Step-by-step explanation:

GIVEN: There is a 60\% chance of rain on Saturday and a 20\% chance of rain on Sunday. Assume that the event that it rains on Saturday is independent of the event that it rains on Sunday.

TO FIND: What is the probability that it rains on exactly one day over the weekend.

SOLUTION:

Probability of rain on Saturday P(A)=0.6

Probability of not raining on Saturday P(A^{'}) =1-0.6=0.4

Probability of rain on Sunday P(B)=0.2

Probability of not raining on Saturday P(B^{'})=1-0.2=0.8

Probability of raining exactly one day over the weekend

 =\text{Probability it rains only on Saturday}+\text{Probability it rains only on Sunday}

=P(A)\times P(B^{'})+P(B)\times P(A^{'})

=0.6\times0.8+0.2\times0.4

=0.56

Hence probability of raining exactly only one day over the weekend is 0.56

5 0
4 years ago
which of the following systems of inequalities would produce the region indicated on the graph below PLZ HELP NEED ASAP!!!!!!!
pentagon [3]

<span>I proceed to verify each of the cases to get the answer
</span>
using a graph tool
see the attached figures

case A)
y>x+1 
y<=10
x>=0  

case B)
y>=x+1
y>=10
x>=0

case C)
y>=x+1
y<10
x>=0

case D)
y<x+1
y<=10
x>=0

the answer is the case A)
y>x+1 
y<=10
x>=0



7 0
3 years ago
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13) When simplified, -2(x + 4) 3(2x + 1) is equivalent to
ludmilkaskok [199]
-6 • (x + 4) • (2x + 1)
3 0
2 years ago
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