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3 years ago

Round 60.6 nearest whole number

Mathematics

2 answers:

kotykmax [81]3 years ago

8 0

60.6 rounded to the whole number is 60

ioda3 years ago

7 0

60.6 to the nearest whole number is 61.

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An equation with an unknown value is shown 13/10 + 2/100= ?/100

lora16 [44]

Answer:

132/100, or 1.32

Step-by-step explanation:

Just change 13/10 to 130/100 and add 2/100 to make it 132/100, or 1.32 :)

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2 years ago

The weight of people in a small town in missouri is known to be normally distributed with a mean of 188 pounds and a standard de

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Answer:

60 days.

Step-by-step explanation:

This is a proportion question. You compare two ratios. Unfortunately it is an inverse ratio.

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2 years ago

In krissy's collection, there are 20 action movies and 28 comedies. what is the ratio of comedies to action movies in krissy's c

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3 years ago

SAT scores have a mean of 1026 and a standard deviation of 209. ACT scores have a mean of 20.8 and a standard deviation of 4.8.

Y_Kistochka [10]

Answer:

The z-score for SAT exam of junior is much small than his ACT score. This means he performed well in his ACT exam and performed poor in his SAT exam.

Step-by-step explanation:

Mean SAT scores = 1026

Standard Deviation = 209

Mean ACT score = 20.8

Standard Deviation = 4.8

We are given SAT and ACT scores of a student and we have to compare them. We cannot compare them directly so we have to Normalize them i.e. convert them into such a form that we can compare the numbers in a meaningful manner. The best way out is to convert both the values into their equivalent z-scores and then do the comparison. Comparison of equivalent z-scores will tell us which score is higher and which is lower.

The formula to calculate the z-score is:

$z=\frac{x-\mu}{\sigma}$

Here, μ is the mean and σ is the standard deviation. x is the value we want to convert to z score.

z-score for junior scoring 860 in SAT exam will be:

$z=\frac{860-1026}{209}=-7.59$

z-score for junior scoring 16 in ACT exam will be:

$z=\frac{16-20.8}{4.8}=-1$

The z-score for SAT exam of junior is much small than his ACT score. This means he performed well in his ACT exam and performed poor in his SAT exam.

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2 years ago