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Shkiper50 [21]
3 years ago
15

The ferris wheel shown makes 12 revolutions per ride how far would someone travel during one ride

Mathematics
1 answer:
Lina20 [59]3 years ago
6 0
I can not see your ferris wheel and so I can not answer it.
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A counselor records the number of disagreements (per session) among couples during group counseling sessions. If the number of d
Shalnov [3]

Answer:

P(X>4)=P(\frac{X-\mu}{\sigma}>\frac{4-\mu}{\sigma})=P(Z>\frac{4-4.4}{0.4})=P(z>-1)

And we can find this probability with the complement rule:

P(z>-1)=1-P(z

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the disagreements of a population, and for this case we know the distribution for X is given by:

X \sim N(4.4,0.4)  

Where \mu=4.4 and \sigma=0.4

We are interested on this probability

P(X>4)

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(X>4)=P(\frac{X-\mu}{\sigma}>\frac{4-\mu}{\sigma})=P(Z>\frac{4-4.4}{0.4})=P(z>-1)

And we can find this probability with the complement rule:

P(z>-1)=1-P(z

3 0
3 years ago
Find the volume of a rectangular prism with a length of 2.5, a width of 8 and a height of 12. a0 cubic units.
Stella [2.4K]

Answer:

240 cubic units

Step-by-step explanation:

2.5×8×12=240cubic units

6 0
3 years ago
What does quadratic functions mean
Ivahew [28]
Quadratic functions are second-order equations of the form y=ax^2+bx+c.  Their graphs form parabolas. The defining characteristic of a quadratic is that the acceleration of the outputs is a constant.
4 0
3 years ago
Read 2 more answers
Four gallons of gasoline weigh 25 pounds . find the unit rate in pounds per gallon.
notka56 [123]
There are several information's that are already given in the question. Based on those information's the answer to the question can be easily deduced. 
Weight of 4 gallons of gasoline = 25 pounds
Then
Weight of 1 gallon of gasoline = 25/4 pounds
                                                = 6.25 pounds
From the above deduction, we can easily conclude that the unit rate in pounds per gallon of gasoline is 6.25 pounds/gallon. I hope the answer helps you.
7 0
3 years ago
Read 2 more answers
Suppose A and B are independent events. If P(A)=0.4 and P(B)=0.9, what is P(A ∩ B) ? answers- a. .36 b. .06 c. .04 d. .54
Reptile [31]
The answer would be 0.54
4 0
3 years ago
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