Jason wears a size 10 shoe, Donal wears a size 9, and Mishka wears a size 11. What is their average shoe size?
2 answers:
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Answer:
The correct answer is "$159 and $175".
Step-by-step explanation:
The give values are:
Mean,
= $167
Standard deviation,
= $40
Number of commuters,
n = 100
Now,
⇒
On putting the given values, we get
⇒
⇒
⇒
By using the 2 SE rule of thumb, we get
=
=
= ($)
Or,
=
=
= ($)
i.e,
$159 and $175
Answer:
Areas of the colored parts are equal
Step-by-step explanation:
Given Mauricio divided two identical rectangles into equal parts.
Now given Mauricio colored one part of each rectangle. we have to tell about the true statement of colored parts.
Two identical rectangles means the rectangle having equal areas. He divides these two into equal parts and shaded one of each part
Let area of rectangle is x
∴ Colored part area = → (1)
Similarly, other rectangle area identical to above rectangle is x
∴ Colored part area = → (2)
From above eq (1) and (2), we get
Areas of the colored parts are equal which is equals to