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Paha777
1 month ago
9

Let X denote the reaction time, in seconds, to a certain stimulus and Y denote the temperature (◦F) at which a certain reaction

starts to take place. Suppose that two random variables X and Y have the joint density f(x,y)= 4xy, 0
Mathematics
1 answer:
AnnZ [12.3K]1 month ago
5 0
The likelihood that 0≤x≤1/2 and 1/4≤y≤1/2 is calculated to be 3/64 (4.68%).
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Consider the system of equations. y = 3x + 2 y = − 2 3 x − 4 Explain why these particular equations can be graphed immediately.
Inessa [12570]
It’s straightforward, as you already have the slope and y-intercepts for each equation, enabling easy graphing.

I hope this is helpful <3
5 0
2 months ago
Read 2 more answers
PLEASE USE THE ATTACHMENT BELOW TO HELP WITH THIS EDGENUITY QUESTION TYSM!!!!
zzz [12365]

Answer:

3,400 in liabilities. I hope this is helpful!

Step-by-step explanation: Start by adding 500 to 900 which equals 1,400

Next, combine 1,400 with the 2,000, resulting in 3,400

6 0
1 month ago
A hollow sphere sits snugly in a foam cube so that the sphere touches each side of the cube. Find the volume of the foam.
Leona [12618]

Answer:

                          π

V-foam = 4r³( 2 - ----- )

                             3

Step-by-step explanation:

Let r denote the radius of the sphere. The volume of the sphere is expressed as

V = (4/3)(π)(r³).

Next, understand that the cube's side length is 2r, hence the cube's volume is

V = (2r)³, which equals 8r³.

The volume of the foam is derived from the cube's volume subtracting that of the sphere:

V-foam = 8r³ - (4/3)(π)(r³). This can be simplified to

                          π

V-foam = 4r³( 2 - ----- )

                             3

5 0
3 months ago
15 points!!!
PIT_PIT [12445]
8+292=300

8 out of 300 were defective.

\frac{8}{300}=\frac{x}{3000} \\ \\ 8*3000=300*x \\ \\ 24000=300x \\ \\ 80=x

That corresponds to 80 pairs being defective
4 0
1 month ago
Read 2 more answers
Find the standard deviation of the following data. Answers are rounded to the nearest tenth. 5, 5, 6, 12, 13, 26, 37, 49, 51, 56
Inessa [12570]

Response:

24.2 (rounded to the nearest tenth)

Detailed breakdown:

The data type involved is ungrouped

standard deviation =√ [∑ (x-μ)² / n]

average (μ)=∑x/n

           = \frac{5+5+6+12+13+26+37+49+51+56+56+84}{12}

          =33.3

For the values 5, 5, 6, 12, 13, 26, 37, 49, 51, 56, 56, 84, the x-μ results will be

                   -28.3, -28.3, -27.3, -21.3, -7.3, 3.7, 15.7,17.7, 22.7,22.7,50.7

Calculating (x-μ)² gives: 800.89, 800.89, 745.29, 453.69, 53.29, 13.69, 246.49, 313.29, 515.29, 515.29, 2570.49

Then, ∑ (x-μ)² results in = 7028.59

Thus, standard deviation = √(7028.59 / 12)

                      =24.2

     

6 0
1 month ago
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