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3241004551 [841]
2 years ago
14

What dimension or dimensions do you need to know to find the volume of a sphere?

Mathematics
1 answer:
dimulka [17.4K]2 years ago
4 0

Answer:

the radius

Step-by-step explanation:

4/3*pi*r squared

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xP(x)00.2510.0520.1530.55Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal pl
Nookie1986 [14]

The Solution:

Given:

Required:

Find the standard deviation of the probability distribution.

Step 1:

Find the expected value of the probability distribution.

E(x)=\mu=\sum_{i\mathop{=}0}^3x_iP_(x_i)\begin{gathered} \mu=(0\times0.25)+(1\times0.05)+(2\times0.15)+(3\times0.55) \\  \\ \mu=0+0.05+0.30+1.65=2.0 \end{gathered}

Step 2:

Find the standard deviation.

Standard\text{ Deviation}=\sqrt{\sum_{i\mathop{=}0}^3(x_i-\mu)^2P_(x_i)}=(0-2)^2(0.25)+(1-2)^2(0.05)+(2-2)^2(0.15)+(3-2)^2(0.55)=4(0.25)+1(0.05)+0(0.15)+1(0.55)=1+0.05+0+0.55=1.60

Thus, the standard deviation is 1.60

Answer:

1.60

8 0
1 year ago
For a hypothesis test of H0: p = 0.35 against the alternative, Ha: p > 0.35, the z test statistic is found to be 2.45. What c
tamaranim1 [39]

Answer:

c? sorry if it's wrong...

3 0
3 years ago
Max's car holds 18 gallons of gasoline.Driving on the highway, the car uses approximately 2 gallons per hour. Let h represent th
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So amount minused=hours driven times gallons per mile=h times 2 or 2h


so we minus 2h

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Question 4 of 25
soldi70 [24.7K]

Answer:

D)graph c

Step-by-step explanation:

it's my opinion do not take it as important

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Please help! 50 points!
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Step-by-step explanation:

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