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Ratling [72]
3 years ago
5

Question:

Mathematics
2 answers:
frez [133]3 years ago
7 0

Answer:

1)

1\frac{7}{9}

2)

16\frac{1}{2}

3)

\frac{4}{9}

4)

1\frac{1}{2}

5)

\frac{6}{13}

Step-by-step explanation:

1)

16 dogs and 9 cats ;

The ratio is 16:9

The ratio in simplest form is 16:9

The ratio in simplest fractional form is 1\frac{7}{9}

2)

99 miles to 6 gallons

The ratio is 99:6

The ratio in simplest form is 33:2

The ratio in simplest fraction form is 16\frac{1}{2}

3)

4 frogs to 9 lily pads

The ratio is 4:9

The ratio in in simplest form is 4:9

The ratio in simplest fraction form is \frac{4}{9}

4)

6 cups of milk to 4 cups of flour

The ratio is 6:4

The ratio in simplest form is 3:2

The ratio in simplest fraction form is 1\frac{1}{2}

5)

6 girls to 13 boys

The ratio is 6:13

The ratio in simplest form is 6:13

The ratio in simplest fraction form is \frac{6}{13}

Snezhnost [94]3 years ago
6 0
1. 16/9 simplified
2. 99/6= 33/2
3.4/9 simplified
4. 6/4= 3/2
5. 6/13 simplified
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The sample size is a term used in market research for defining the number of subjects included in a sample size. By sample size, we understand a group of subjects that are selected from the general population and is considered a representative of the real population for that specific study.

Empirical rule states that for a normal distribution, 68% of the values are within one standard deviation from the mean, 95% of the values are within two standard deviation from the mean and 99.7% of the values are within three standard deviation from the mean.

For a population mean of 20.15 and a standard deviation of 3.7

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