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bulgar [2K]
3 years ago
11

The weights of tennis balls are normally distributed, with the mean being 5.15 ounces and the standard deviation being 0.10. wha

t percentage of the balls weigh within one standard deviation of the mean? 50% 68% 95% 99.7%
Mathematics
1 answer:
zlopas [31]3 years ago
8 0
The empirical rule for normal distributions states that approximately 68% of the data points lie within the range plus and minus one standard deviation of the mean.
The answer is 68%.
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Bill and Pete shared 1/2 of a cake. Bill got to eat twice as much cake as Pete. What fraction of the whole cake did Bill eat?
KatRina [158]

Answer:

Step-by-step explanation:

Total cake shared=1/2

Pete share=x

Bill= twice as much as Pete

=2x

Pete's share+ Bill's share=total share

x+2x=1/2

3x=1/2

x=1/2÷3

x=1/2×1/3

=1/6

Pete's share=x=1/6

Bill's share=2x

=2(1/6)

=2/6

=1/3

3 0
3 years ago
One morning during the spring break, Jose ran 13 miles up hill in the rain. That afternoon Jose ran up the hill 3 2/3 faster whe
netineya [11]

Answer:

The answer to your question is 13 miles

Step-by-step explanation:

In the question is not mentioned the distance that Jose one during the afternoon, it is only mentioned that he ran faster than in the morning so we can imply that the distance was the same in both occasions, just he ran faster in the afternoon because there was no rain.

6 0
3 years ago
-10÷_100(20+501) that is my home work
KIM [24]

Answer:

-52.1

Step-by-step explanation:

-10/100 = -0.1

-0.1 x 20 = -2

-0.1 x 501 = -50.1

                  +    -2

                   ____

                -52.1

5 0
3 years ago
Circle the letter that is true about the grain size in rock
zavuch27 [327]
Well circle it m9 XD
7 0
3 years ago
Tom can paint a chair in 5 minutes. Together Tom and Sue can paint the chair in 4 minutes. How long does it take for Sue to pain
Angelina_Jolie [31]

2 minutes because if u take 4 for the amount of time it take sue and tom and divide it by 2 for two people painting than your quotient is going to be 2.

it takes sue Sue 2 minutes to paint a chair by herself. 

3 0
4 years ago
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