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KengaRu [80]
2 years ago
11

EASY POINTS !!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
bonufazy [111]2 years ago
7 0

Answer: left column going down: +, +, -, +, -

Right column going down: -, +, -, +, -

Step-by-step explanation: <3

harkovskaia [24]2 years ago
5 0

Answer:

w

Step-by-step explanation:

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PLEASE HELD DUE IN AN HOUR WILL MARK BRAINLIEST
Talja [164]

Answer: See the attached image below for the dot plot

==============================================

Explanation:

The list

{50, 45, 24, 28, 27, 38, 21, 22, 23, 42, 41, 35, 37, 25, 43}

sorts to

{21, 22, 23, 24, 25, 27, 28, 35, 37, 38, 41, 42, 43, 45, 50}

Draw out a number line. Make sure to go as far down to 21 and as high as 50.

Then plot dots above the numbers 21, 22, 23,24,25,27,28, etc. Each item in the sorted list will get a dot overhead. In this case, there are no repeated items, so each stack is 1 dot high.

See the diagram below.

You may need to click on the magnifying glass if the diagram is either too small or distorted.

5 0
2 years ago
Thickness measurement ancient prehistoric Native American Pot Shards discovered in Hopi Village are approximately normally distr
beks73 [17]

Answer:

a) P(X

And we can find this probability using the normal standard table and we got:

P(z

b) P(X>7)=P(\frac{X-\mu}{\sigma}>\frac{7-\mu}{\sigma})=P(Z>\frac{7-5.1}{0.9})=P(z>2.11)

And we can find this probability using the complement rule and the  normal standard table and we got:

P(z>2.11)=1-P(Z

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the variable of interest of a population, and for this case we know the distribution for X is given by:

X \sim N(5.1,0.9)  

Where \mu=5.1 and \sigma=0.9

Part a

We are interested on this probability

P(X

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(X

And we can find this probability using the normal standard table and we got:

P(z

Part b

We are interested on this probability

P(X>7)

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(X>7)=P(\frac{X-\mu}{\sigma}>\frac{7-\mu}{\sigma})=P(Z>\frac{7-5.1}{0.9})=P(z>2.11)

And we can find this probability using the complement rule and the  normal standard table and we got:

P(z>2.11)=1-P(Z

4 0
3 years ago
Factor the following expression to it's lowest form. 24a-42b
n200080 [17]
6(4a-7b) is the answer
4 0
3 years ago
Which of the following graphs is a function ​
Pie

Answer:

D

Step-by-step explanation:

Hope this helps:)

7 0
3 years ago
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Plsplspls help!!!
RideAnS [48]

Answer:

a) the answer if the substitute is 300

7 0
2 years ago
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