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GaryK [48]
3 years ago
7

This app is not even good

Mathematics
2 answers:
Mariulka [41]3 years ago
7 0
Sometimes it’s alright . It’s awful when some one robs you of points by writing a b.s answer
Leni [432]3 years ago
5 0

Answer:

nos3

Step-by-step explanation:

pero ayuda plis en mate wa

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What is the answer for this question
astraxan [27]

Answer:

6.3 kilograms

Step-by-step explanation:

Because 1 kilo is 2.2 pounds, divide 13.86 pounds by 2.2 to get 6.3 kilograms

6 0
3 years ago
Read 2 more answers
A researcher wishes to​ estimate, with 99​% ​confidence, the population proportion of adults who think the president of their co
scoray [572]

Answer:

a. n=4148

b. n=3909

c. The sample size is smaller if a known proportion from prior study is used. The difference in sample sizes is 239

Step-by-step explanation:

a. For sample where no preliminary estimate is given, the minimum sample size is calculated using the formula:

n=p(1-p)(\frac{z}{ME})^2

Where:

  • ME=Margin of error
  • p= is the assumed proportion

#Let p=0.5, substitute in the formula to solve for n:

n=0.5(1-0.5)\times (2.576/0.02)^2\\\\=4147.36\approx 4148

Hence, the minimum sample size is 4148

b. If given a preliminary estimate p=0.38, we use the same formula but substitute p with the given value:

n=p(1-p)(z/ME)^2\\\\=0.38(1-0.38)(2.576/0.02)^2\\\\=3908.47\approx3909

Hence, the minimum sample size is 3909

c. Comparing the sample sizes from a and b:

n_{0.5}>n_{0.38}\\\\n_{0.5}-n_{0.38}=4148-3909=239

Hence, the actual sample size is smaller for a known proportion from prior a prior study.

8 0
3 years ago
The sum of 3 consecutive integers is 60. What is the value of the third integer?
Scorpion4ik [409]

Answer:

x=19

Step-by-step explanation:

The consecutive integers will be x, x+1 and x+2 since consecutive integers have a pattern.

So,  the equation is x+x+1+x+2=60

Solve:

x+x+1+x+2=60

3x+3=60

Subtract 3 on both sides:

3x+3-3=60-3

3x=57

Divide by 3

3x/3=57/3

x=19

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3 years ago
Can Fractions and ratios cannot have zero in the denominator?
labwork [276]
True , is the answer ! :)
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3 years ago
What does the phrase between 7.2 and 7.6 inclusive mean
Naddik [55]
It means that if u subtract idk lol
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3 years ago
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