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ale4655 [162]
3 years ago
6

There are six orange marbles, 2 red marbles, 3 white marbles, and 4 green marbles in a bag. Once a marble is drawn, it is replac

ed. Find the probability of each outcome.
1.) a red then white marble
2.) a white then green marble
3.) two orange marbles in a row
4.) a red then an orange then a green marble
Mathematics
1 answer:
bogdanovich [222]3 years ago
8 0

Answer:

2.) 2 orange marble in a raw

Step-by-step explanation:

because there are more orange marble than other colours

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6 0
3 years ago
Explain the circumstances for which the interquartile range is the preferred measure of dispersion. What is an advantage that th
KatRina [158]

Answer:

Explain the circumstances for which the interquartile range is the preferred measure of dispersion

Interquartile range is preferred when the distribution of data is highly skewed (right or left skewed) and when we have the presence of outliers. Because under these conditions the sample variance and deviation can be biased estimators for the dispersion.

What is an advantage that the standard deviation has over the interquartile​ range?

The most important advantage is that the sample variance and deviation takes in count all the observations in order to calculate the statistic.

Step-by-step explanation:

Previous concepts

The interquartile range is defined as the difference between the upper quartile and the first quartile and is a measure of dispersion for a dataset.

IQR= Q_3 -Q_1

The standard deviation is a measure of dispersion obatined from the sample variance and is given by:

s=\sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}

Solution to the problem

Explain the circumstances for which the interquartile range is the preferred measure of dispersion

Interquartile range is preferred when the distribution of data is highly skewed (right or left skewed) and when we have the presence of outliers. Because under these conditions the sample variance and deviation can be biased estimators for the dispersion.

What is an advantage that the standard deviation has over the interquartile​ range?

The most important advantage is that the sample variance and deviation takes in count all the observations in order to calculate the statistic.

8 0
3 years ago
How do I find the answer?
11Alexandr11 [23.1K]
First simplify the number part, 14/2 = 7/1
then the x part, \frac{x}{x^ \frac{3}{4} } = x^ \frac{1}{4} 

y doesn't need to be simplified
then simplify the z part, z^-6 = z^6

put it all together...
7x^ \frac{1}{4}y^ \frac{1}{3} z^6
4 0
3 years ago
Two boxes of identical birthday candles are pictured: a 2-ounce box and a 6-ounce box. There are 96 candles in the large box. Ho
Lostsunrise [7]
Ratio of large box
96:6
Thus 96/6 = 16

Small box 
2*16 = 32
There are 32 candles in the small box.


5 0
3 years ago
Reagan will use a random number generator 1,200 times. Each result will be a digit from 1 to 6. Which statement best predicts ho
Stolb23 [73]

The answer is B.

The only reason it will be 200 is because the numbers 1,2,3,4,5,and 6 are all an option so the probability of 5 is 1/6 and if you multiply 1/6 by 1,200 you will get 200. Hope this helped!

5 0
3 years ago
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