QUESTION 6 To estimate the average time it takes to assemble a certain computer component, the industrial engineer at an electronics firm timed 25 technicians in the performance of this task, getting a mean of 12.5 minutes and a standard deviation of 2 minutes. Construct a 98% confidence interval of the actual average time required to do the job assuming that the actual time follows a normal distribution.

Q: 2(3y-5)=34

A: We will see the ans in next step

Q: 2(54-4)+86

A:

Q: Find the value of  6C4+5P3

A: Thank you 😊

Q: -4(7j+2)=10

A: Given expression,

Q: x? - 4x – 5.

A:

Q: 9w2=12w+5

A:

Q: 6g + 7g

A: Given,          6g+7g

Q: 2x(7)+7=

A:

Q: -4 + (-5) x 9

A: Here a basic mathematical operation problem is given. For doing this problem we should have the…

Q: 1 ER=1 (- 100 k%3D1 2k+1

A:

Q: Nx+33D8

A:

Q: where did you get 10 and 6?

A: Here we have assumed that each rectangular run is x feet by y feet. That means: length = x width = y…

Q: 4x + 7 = 27

A: We have the equation,                           4x + 7 = 27 We want to solve the equation by finding…

Q: 4b2 + 8b +7 = 4

A: Given that

Q: 5×-6=37

A: Given,           5×-6=37

Q: 3n+20=15

A: solve the given 3n+20=15

Q: 3=6

A: Suppose the empty box has value x than do the calculation.

Q: 18x+26=22

A:

Q: Ys+1 s7105 +?4

A:

Q: 2(a+3)= -12

A: Solution: Here 2(a+3) =-12

Q: (2+34)²

A:

Q: S dr 3r+5 r3-8

A:

Q: w2+7w+12=0

A: w2+7w+12=0 Solve by factoring

Q: -2g + = 3g - 37

A:

Q: a+10+44=2a

A: Simplify L.H.S and then re aggrange like terms on one side and other terms on R.HS.and then…

Q: 29 ×2+3

A: Given query is to perform indicated mathematics operation.

Q: бу 16y + 8 12y +6 7

A:

Q: 2m + 8 = 56

A: We have to find m

Q: z2-3z=-8

A:

Q: -3(4x-5)-6=18

A: Given: −34x−5−6=18 To determine: The value of x.