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Agata [3.3K]
3 years ago
12

Please help me with this, I'm confused about it.

Mathematics
1 answer:
Aleksandr [31]3 years ago
3 0
I would not consider them to be symmetric. Each section represents 25% of the data and it is obvious from the graphs that the quartiles are not symmetric

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IQ scores are known to be normally distributed. The mean IQ score is 100 and the standard deviation is 15. The top 25% of the po
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110

Step-by-step explanation:

We have been given that the mean IQ score is 100 and the standard deviation is 15.

We will use normal distribution table to solve our given problem.

The top 25% of the population will represent scores greater than 75%.      

The z-score corresponding to data greater than 75% is 0.6745.

Upon substituting our given values in z-score formula, we will get:

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3 years ago
pressed against the side of a building the ladder is 13 ft long and forms an angle of 70.5 degrees with the ground. how far is t
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