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Serga [27]
2 years ago
13

Which is the best estimate for √34 to the nearest whole number​

Mathematics
1 answer:
lina2011 [118]2 years ago
3 0

Answer:Other than using a calculator to get an approximate value (

5.83

) for  

√

34

,  

√

34

can not be simplified

Step-by-step explanation:The only factors (

>

1

) of  

34

are  

2

and  

17

Since neither of these are a square,  

√

34

has no simplification.

You might be interested in
Evaluate the following -5+4-3-6+9-3
Amanda [17]

Answer:

-4

Step-by-step explanation:

-5+4= -1

-1-3= -4

-4-6= -10

-10+9= -1

-1-3= -4

3 0
3 years ago
All of the following are ways to write 25 percent of N EXCEPT 0.25N 25N/100 1/4N 25N
Olin [163]
The last one would be incorrect. We are looking for PART of whatever N is. Multiply by the whole number 25 is definitely not what we want to do. 

Hope I helped!
5 0
3 years ago
Read 2 more answers
Polly's Polls asked 1850 second-year college students if they still had their original major. According to the colleges, 65% of
suter [353]

Answer:

The probability that Polly's Sample will give a result within 1% of the value 65% is 0.6424

Step-by-step explanation:

The variable that assigns the value 1 if a person had its original major and 0 otherwise is a Bernoulli variable with paramenter 0.65. Since she asked the question to 1850 people, then the number of students that will have their original major is a Binomial random variable with parameters n = 1850, p = 0.65.

Since the sample is large enough, we can use the Central Limit Theorem to approximate that random variable to a Normal random variable, which we will denote X.

The parameters of X are determined with the mean and standard deviation of the Binomal that we are approximating. The mean is np = 1850*0.65 = 1202.5, and the standard deviation is √np(1-p) = √(1202.5*0.35) = 20.5152.

We want to know the probability that X is between 0.64*1850 = 1184 and 0.66*1850 = 1221 (that is, the percentage is between 64 and 66). In order to calculate this, we standarize X so that we can work with a standard normal random variable W ≈ N(0,1). The standarization is obtained by substracting the mean from X and dividing the result by the standard deviation, in other words

W = \frac{X-\lambda}{\sigma} = \frac{X-1202.5}{20.5152}

The values of the cummulative function of the standard normal variable W, which we will denote \phi are tabulated and they can be found in the attached file.

Now, we are ready to compute the probability that X is between 1184 and 1221. Remember that, since the standard random variable is symmetric through 0, then \phi(-z) = 1-\phi(z) for each positive value z.

P(1184 < X < 1221) = P(\frac{1184-1202.5}{20.5152} < \frac{X-1202.5}{20.5152} < \frac{1221-1202.5}{20.5152})\\ = P(-0.9018 < W < 0.9018) = \phi(0.9018) - \phi(-0.9018) = \phi(0.9018)-(1-\phi(0.9018))\\ = 2\phi(0.9018)-1 = 2*0.8212-1 = 0.6424

Therefore, the probability that Polly's Sample will give a result within 1% of the value 65% is 0.6424.

Download pdf
4 0
3 years ago
HEY YA'LL QUESTION OF THE DAY!) To stay properly hydrated, a person should drink 32 fluid ounces of water for ever 60 minutes of
dem82 [27]

135/60=2.25\\2.25*30=\boxed{67.5}

67.5 fluid ounces

4 0
3 years ago
Doreen bought 2 liters of lemonade. How many millimeters of lemonade did Doreen buy? ​
MatroZZZ [7]

Answer:

Mr. Perkins changed the oil in his car. He bought. 6 liters of oil. He put 4,500 ml in his car.

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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