Draw a quick picture for 37 . Draw to show how you would subtract 19 from 37 write to explain what you did
2 answers:
Answer:
Step-by-step explanation:
To Find : Draw to show how you would subtract 19 from 37 write to explain what you did
Refer figure
Total no. of triangles = 37
No. of pink triangles = 19
Total triangles - no. of pink triangles = no. of purple triangles
⇒37-19=18
Thus the attached figure shows how would subtract 19 from 37
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Answer:
A. -1.6; not significant
Step-by-step explanation:
The z-score of a data set that is normally distributed with a mean of and a standard deviation of
, is given by:
.
From the question, the test score is: , the mean is
, and the standard deviation is
.
We just have to plug these values into the above formula to obtain:
.
This simplifies to: .
.
We can see that the z-score falls within two standard deviations of the mean.
Since the value is not significant.
The correct answer is A. -1.6; not significant