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Andrews [41]
3 years ago
10

Which distribution has the greatest spread

Mathematics
1 answer:
Sauron [17]3 years ago
4 0

For solving this question we will use the relationship between the range of data and the spread of data. The relationship is that "Higher the Range of the Data, Higher is the Spread and lower the range of the data then lower is the spread".

So, keeping in mind this definition let us proceed and check each option and measure their range.

We know that Range is measured as

Range=(Highest Value of the Data)-(Lowest Value of the Data)

a. 13.7-3.1=10.6

b. 423.6-1.3=422.3

c. 38.4-7.2=31.2

d. 231.4-5.5=225.9

As we can see Option b. has the largest range and as range is a measure of spread then option b is the distribution which has the largest spread.

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Jennifer only earns $9.15 per hour.
6 0
4 years ago
An electrical power plant burns 285 barrels of oil each day to
frosja888 [35]

Answer:

11970 barrels of oil

Step-by-step explanation:

1 day use 285 barrels of oil

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42 days use: 42 * 285 = 11970 barrels of oil

Hope this help you :3

8 0
3 years ago
What is the degree of the polynomial function f(x)=4 x 3 +3 x 2 +5x+7 ?
azamat

Answer:

Second degree

Step-by-step explanation:

f(x) = 4 X 3 + 3 X 2 + 5x + 7

It can be represented as follow: x² X 3 + 3 X 2 + 5x + 7

3x² + 6 + 5x + 7

3x² + 5x + 13

4 0
4 years ago
The annual 2-mile fun-run is a traditional fund-raising event to support local arts and sciences activities. It is known that th
victus00 [196]

Answer: 0.0228

Step-by-step explanation:

Given : The  mean and the standard deviation of finish times (in minutes) for this event are respectively as :-

\mu=30\\\\\sigma=5.5

If the distribution of finish times is approximately bell-shaped and symmetric, then it must be normally distributed.

Let X be the random variable that represents the finish times for this event.

z score : z=\dfrac{x-\mu}{\sigma}

z=\dfrac{19-30}{5.5}=-2

Now, the probability of runners who finish in under 19 minutes by using standard normal distribution table :-

P(X

Hence, the approximate proportion of runners who finish in under 19 minutes = 0.0228

8 0
3 years ago
PLEASE HELP! I HAVE A CHAPTER TEST TM ON THIS
KIM [24]

Answer:

a{}^{2}  -  {b}^{2}  =  {c}^{2}

12 {}^{2}  - (3 \sqrt{7})^{2}

144 - 63 = 81

\sqrt{80 }  = 9

5 0
2 years ago
Read 2 more answers
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