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Semenov [28]
3 years ago
14

Describe the correlation in the scatterplot below

Mathematics
2 answers:
Inessa05 [86]3 years ago
8 0

Answer:

'no' and 'show no pattern'

Step-by-step explanation:

with scatter plots like these, there is no exact information at all, what so ever

sweet-ann [11.9K]3 years ago
4 0

Answer:

linear positive/ follow a linear pattern

Step-by-step explanation:

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Sarah cuts a shoelace that is 12 yard long into 4 equal pieces.
Lostsunrise [7]

Answer:

1/3 I believe

Step-by-step explanation:

12 divided by 4 is 3 so each piece is equal to 1/3

8 0
2 years ago
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Suppose the length of telephone calls form a normal distribution with a mean length of 8.0 min and a standard deviation of 2.5 m
ikadub [295]

Answer:

(A) 0.0013

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 8, \sigma = 2.5

The probability that telephone call selected a random will last more than 15.5 min is most nearly

This is 1 subtracted by the pvalue of Z when X = 15.5.

So

Z = \frac{X - \mu}{\sigma}

Z = \frac{15.5 - 8}{2.5}

Z = 3

Z = 3 has a pvalue of 0.9987

1 - 0.9987 = 0.0013

So the correct answer is:

(A) 0.0013

8 0
3 years ago
The theoretical probability of an event occurring is 2/5 Which best describes the experimental probability associated with this
max2010maxim [7]
The answer is out of every 5 trials, the desired out come will be approximately 2 times. 
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3 years ago
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Consider these functions:
valkas [14]
I think the answer might be B
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2 years ago
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I hope this helps you

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3 years ago
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