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Alexandra [31]
3 years ago
10

HELP WITH 1, 2 AND 3 PLEASE

Mathematics
1 answer:
Jlenok [28]3 years ago
4 0

Answer:

1. About 68% of the data lie within one standard deviation of the mean.

2. About 95% of the data lie within two standard deviation of the mean.

3. About 99,7% of the data lie within three standard deviation of the mean.

Step-by-step explanation:

1. 34 + 34 = 68

2. 68 + 13,5 + 13,5 = 95

3. 95 + 2,35 + 2,35 = 99,7

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The science club sponsors and ordering In church for the boys and girls in science called their forty-five sure science club num
Oliga [24]

Answer:

The Science club would required 15 packs of caps and 9 packs of shirts to fulfill the needs of each member.

Step-by-step explanation:

Given:

Number of caps in each pack = 3

Number of Shirts in each pack = 5

Total members of club = 45

Number of caps needed = 45

Number of shirts needed = 45

we have to find the least number of packs of caps and shirts that they need to buy in order to fulfill the needs of each member.

Solution:

Now we can say that;

number of packs of caps required can be calculated by Number of caps needed divided by Number of caps in each pack.

framing in equation form we get;

number of packs of caps required = \frac{45}{3} = 15\ packs

Also We can say that;

number of packs of Shirts required can be calculated by Number of Shirts needed divided by Number of Shirts in each pack.

framing in equation form we get;

number of packs of Shirts required = \frac{45}5} = 9\ packs

Hence The Science club would required 15 packs of caps and 9 packs of shirts to fulfill the needs of each member.

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4 years ago
Evaluate the function. f(x)=x^3+x; find f (2)​
geniusboy [140]

Answer:

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3 years ago
15 is what percent of 39?
ruslelena [56]
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Step-by-step explanation:

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Jason polled a large sample of individuals to find the entrance exam scores from 0 to 100 of out-of-state students. Which of the
Nat2105 [25]

Answer:

c. histogram.

Step-by-step explanation:

In this case, the most appropiate way to show the results is to group the results in classes (for example from score 0 to 20, 21 to 40, 41 to 60, until 100) and show the relative frequency for each of the classes.

An histogram allows us to present this information graphically in the ways described before.

A pie chart is appropiate to show proportions.

A bar graph is similar but for discrete or non-numerical categories.

A dot plot is adequate por discrete classes and small samples.

4 0
4 years ago
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