A room is equipped with four led light bulbs. The lighting system is programmed so that one led bulb is le until it burns out and the next is switched on. This process continues until all four bulbs burn out. The life of each bulb is exponentially distributed with a mean of three years. Find the pdf fx of the continuous rv X

Q: S ds J V3s? + 1

A: To evaluate the given integral

Q: 3x - 5y= -13  -2x + 3y = 8

A:

Q: 2= c2  + c

A: 2=C2+C We need to solve the equation.

Q: 64y2+7=32

A: 64y2+7=32

Q: S 2x - 5y 4 6x - 4y 3.

A:

Q: 5x + 9y = 12       4x - 3y = 8

A: Given system of equation 5x+9y=12, 4x-3y=8. Find x and y.

Q: 7x - 2y = 19  3x + 5y = 14

A:

Q: x² ,2 xp V16-x2

A:

Q: 3y = -x+6 %3D 2x + 4y = 12

A:

Q: 5a +7=10

A: 5a + 7 = 10 Subtract 7 on both side, 5a =3

Q: V24x15y5 3

A:

Q: 4x - 5y = 3  3x - 4y = 6

A: Given that       4x - 5y = 3 -------------(1)        3x - 4y = 6 -------------(2)

Q: 3×+5=23

A: this is a simple equation question  we will simplify by using the maths calculation rule.

Q: 7x + 8y = 67  3x + 6y = 39

A: Solving system of equations means finding the value of the variable involved into the equation.

Q: 5v2 +6 dv 4 v3

A:

Q: 3b-12 = 30

A:

Q: dv -2 v³ 8.

A: Here I am attaching image so that you understand each and every step.

Q: 3x + 4y = 19 3x + 6y = 33

A:

Q: 5x - 3y = 18 3x + 3y = 30

A: From the given problem:   5x-3y=18 ....13x+3y=30.....(2)   Now adding the equation (1) & (2).…

Q: 6 - 7z + 5) dz Find Preview +C

A:

Q: 4x + 2y=8 6x - 4y=5

A: Given4x+2y=8 and    --- Eq 16x-4y=5           --- Eq 2We solve for x and yFrom Eq 1:2y=8-4x…

Q: 9x+4y=13 3x+5y=9

A:

Q: -3b5 + 12b4-15b

A:

Q: 4x+y+2y

A: We can use normal algebra to solve this problem.

Q: 2x+5y=-4 -2x+3y=20

A: The given equations are 2x + 5y = –4 and –2x + 3y = 20. Add the given equations as follows. Thus,…

Q: V3 + V75 = V3 + V25 -3 = v3 + V3 =

A: Given expression to simplify: 3+75

Q: 4т V17 3

A: Modulus function always gives positive quantity in result.

Q: 4-3v-2  = 4 -v

A:

Q: 5x-2y=4+3x+4=9

A:

Q: x+4y=6,3y=12

A: Given,  x+4y=6 3y=12

Q: 2x+5y=14 4x+2y=-4

A:

Q: 3V3 3.

A:

Q: (v-4)2

A:

Q: 43a+10-26a=27

A: To solve: 43a+10-26a=27

Q: 2a+3a=c

A:

Q: 3x +y = 4 6x + 2y = 8

A: We have to solve the given equation  3x+y= 4  and  6x+2y=8

Q: 3x 12 = 2- х+4 х+4

A: Given: 3xx+4=2-12x+4

Q: 4h aー-5

A: We have to find out