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emmainna [20.7K]
3 years ago
8

Help with#1 and 7 And if you can the rest of the questions.

Mathematics
2 answers:
algol133 years ago
8 0
The answer is 5. This is because 5 is not close to the others on the graph. 
irga5000 [103]3 years ago
3 0
The answer is 5 b cause of the graph
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A blind taste test will be conducted with 9 volunteers to determine whether people can taste a difference between bottled water
Aloiza [94]

Answer:

The answer is \frac{1}{256}

Step-by-step explanation:

If we assume that people cannot taste a difference between bottled water, then the probability of identifying tap water is 0.5

Thus, P(identify tap water)=0.5

The probability that at least 8 of the 9 people identify the tap water correctly is the sum of the probabilities

  • 8 of 9 people identified correctly or
  • 9 of 9 people identified correctly

Since P(identify tap water)=0.5 each probabilities are the same and equal to

0.5^9 =\frac{1}{512}

So we have 2*\frac{1}{512} = \frac{1}{256}

6 0
3 years ago
If z=32 and z/2+37=x what is x
nalin [4]

Answer:

53

Step-by-step explanation:

Plugging in 32 for z, you get:

(32)/2+37=x

16+37=x

x=53

Hope this helps!

7 0
3 years ago
Help me out, thank you.
AveGali [126]

Answer: 38

Step-by-step explanation:

7 0
2 years ago
A researcher uses an anonymous survey to investigate the television-viewing habits of American adolescents. Based on the set of
kow [346]

Answer:

The answer is - sample.

Step-by-step explanation:

Based on the set of 356 surveys that were completed and returned, the researcher finds that these students spend an average of 3.1 hours each day watching television.

For this study, the set of 356 students who returned the surveys is an example of a SAMPLE.

A sample is defined as a small part that shows what the whole population is like.

8 0
2 years ago
Write the equation of the parabola given: Focus: (2,-9) Directrix: y=1
stellarik [79]
So the vertex, exactly between the focus and directrix, must be at <span>(h, k) = (1, 
–2)</span><span>.</span>
8 0
2 years ago
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