You only did the last one wrong, (3/4) times 2 is 3/2. 3/2 - 1/2 is 2/2 or 1.
So it'd be (2,1)
"97.5" will be the American women's % having their shoe sizes that are no more than 11.33.
Given values are:
- Mean = 8.33
- Standard deviation = 1.5
Now,
=
= (2 above Standard deviation)
→ The data values are between 8.33 and 11.33,
=
= (%)
→ The data value below 11.33,
= (%)
hence,
→ The percentage of American women will be:
=
= (%)
Thus the above answer is appropriate.
Learn more about empirical rule here:
brainly.com/question/18529739
Answer:
Area is surface are while volume is how much space the object takes up.
Step-by-step explanation:
Two hundred eighty-four thousand, twenty-eight.