The cycle times for an electroplating machine are believed to be normally distributed. Twenty-one plating operations are randomly sampled for time to cycle. The sample average cycle time is 10.21 minutes with a standard deviation of 0.59 minutes. Construct a 95% confidence interval on the mean cycle time for this machine. a. (9.911, 10.509) O b. (8.979, 11.441) O c. (9.958, 10.462) Od. (9.941, 10.479)

Q: 6+w=4

A: The give equation is 6 + w = 4To find the value of w.

Q: Evaluate x²+3x+5

A:

Q: eralvate s Ēodp where C is represientee ぐ F (Xっy)= yi 土 6+) = 28ti + tj

A: To evaluate: ∫CF.dr→F→x,y=xyi^+yj^rt=28ti^+tj^ ,     0≤t≤7

Q: k2-35=2k

A:

Q: VEX2 9

A: Use the substitution and solve the integral easily.

Q: Find the area of the shaded region. The graph to the right depicts IQ Scores of adults, and those…

A:

Q: p2 sec? r³ dr

A:

Q: Fnd A A= 2.

A:

Q: 4h-3=9

A: We have to find h

Q: E1 Q21

A:

Q: 1b+1b

A: Applying  addition operation since terms with same variable  binomial addition

Q: Зх + 9 6x P R

A: AAS criteria: If two angles and an opposite side of one triangle are congruent to the two angles and…

Q: 2x Ax) = %3D 2 - 1

A:

Q: 3p - p

A: Here Given that, 3p-p

Q: dt t2-t-6

A:

Q: Q3 is incorrect.

A: data in ascending order:- 2, 12, 14, 28, 28, 30, 32, 34, 34, 34, 42, 44, 50, 52, 58, 60, 72, 78

Q: Find the domain

A:

Q: x+9= 12 %3D

A: Given: x+9=12

Q: 9f

A: Given: Subtraction of f and 9f, That is f-9f. To find: f-9f.

Q: Find 2

A:

Q: 12

A: Explanation and solutions is given below....

Q: a = 2 - 9a

A:

Q: 4т V17 3

A: Modulus function always gives positive quantity in result.

Q: A+12=13

A: Given,   A+12=13     We will solve it for the value of A

Q: 4a5b• V18a3b6

A: We have to find

Q: 2t2 – 100 = 0 %3D

A: The solution is, t = ±5√2  The detailed solution is as follows below:

Q: B+A=18 B=

A: B + A = 18

Q: 5xn=25

A: 5×n = 25 To find value of n

Q: 30 = 6 + z z =

A: Given : 30  = 6+z

Q: S A+ AMQ for M.

A: NOTE: Refresh your page if you can't see any equations. .

Q: Find x. X+4

A:

Q: find 4 j! j30

A: Simply expand the summation and add all values after calculation.

Q: Find n when a₁ = -6, d=6, and an = 18. n= 11

A: Given first term is a1= -6