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slega [8]
2 years ago
11

According to the 68-95-99.7% rule, what percentage of the data from a bell-shaped distribution will be within one standard devia

tion of the mean
Mathematics
1 answer:
mote1985 [20]2 years ago
5 0

Answer:

68% of the distribution will be within one standard deviation of the mean

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

Bell-shaped = Normally distributed.

This means that 68% of the distribution will be within one standard deviation of the mean

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Complete this shape so that it is symmetrical about the reflection line
Drupady [299]

A balanced and proportionate likeness observed in two sides of an item is characterized as symmetry. The shape can be completed as shown below.

<h3>What is symmetry?</h3>

A balanced and proportionate likeness observed in two sides of an item is characterized as symmetry. It signifies that one side is a mirror image of the other. The line of symmetry is the imaginary line or axis along which you can fold a figure to produce the symmetrical halves.

The shape can be completed as shown below, so that the complete shape is symmetrical about the given axis.

Learn more about Symmetry:

brainly.com/question/15970176

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8 0
2 years ago
X + t = 3.45 Whats x?
sladkih [1.3K]
We can subtract t from both sides to get...

x+t = 3.45
x+t-t = 3.45-t
x = 3.45-t

6 0
3 years ago
The ratio of teachers needs to be 1:30. If there were 120 students, how many teachers would be needed?
mezya [45]

Answer:

4:120

Step-by-step explanation:

for 120 student they would be 4 teacher needed per 30 student

4:120

4 0
3 years ago
A cabbage palmetto has a height of 80 feet.what is the approximate height of the tree in meters
White raven [17]

Answer:

24.38 meters to the nearest hundredth.

Step-by-step explanation:

1 foot is approximately  30.48 cm.

So 80 feet = 80 * 30.48 cm.

In meters this is (80 * 30.48) / 100

=  24.38 m.  


8 0
3 years ago
19) Kyle has $600 in a savings account at the beginning of the summer. He wants to have at least $300 in his account by the end
Karolina [17]
If Kyle starts with $600 and wants to end with (at least) $300 She can withdraw up to $600−$300=$300
If he withdraw 20$/ week the 300 will last for 300/20 = 15 weeks
8 0
3 years ago
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