Problem 4 A quality control study has as an objective improving a production line, for which the weights in ounces for 20 soap bars were recorded. Assume that the data follows the normal distribution. It was found that 20 20 Ex, = 189.4 Ex = 3011.46 and a) Compute x-bar. b) Compute s?.

Q: S=2Ip + mr2 ngr2

A:

Q: 8. Ф(55) Answer: Show your work or explain your

A: We want to find ϕ(55)

Q: on 8 1 0 A = 1 0 1 B= 1 0 : Let and A OB= ?

A:

Q: can you try it again? it is wrong. i dont know how you got A. it only needs C

A: The solution is shown in step-2

Q: Could you please do C) as well

A: A 26 foot ladder is lowered down a vertical wall at a rate of 3 feet per minute. The base of the…

Q: 13. Dowsing In a rural area, only about 30% of the wells that are drilled find adequate water at a…

A:

Q: 0=N+ +02 NzP OOT AJOS

A:

Q: d. During what​ day(s) did he weigh the​ most? ​Day(s): ​(Use a comma to separate answers as​…

A:

Q: According to Facebook, the average user has 130 Facebook friends. A student a Seattle Central tests…

A: In the given problem, it is given that the A student at Seattle Central tests claims that the SSC…

Q: Could you

A:

Q: - 0.052 < p< 0.568 A) p = 0.258 + 0.5 p = 0.258 - 0.31 C) p = 0.258 +0.31 D) p = 0.31 +0.5

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Q: -8- 11. YA 5- y = 5 y= 2x + 1 3- 2 y =2 1+ 1 2 3 The diagram shows the lines y = 2 and y = 5 and…

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Q: Evaluate y ds, C: z = t, y = t, -1<t<7

A: Given  C; x=t2  , y=t        , -1 ≤t≤7

Q: Trying to answer c)

A: Refer Standard normal table/Z-table, Lookup for z-score corresponding to area 0.10 to the left of…

Q: 7. Ф(39) Answer: Show your work or explain your reasoning here:

A: We want to find ϕ(39)

Q: d) e) What is 5 P3? X This feedback is based on your last submitte answer to get updated feedback. *…

A: nPk = n!/(n-k)!  nCk = n!/{k!(n-k)!}

Q: 3. Drew's class was working on counting calories. His teacher asked them to keep a food log for 1…

A: From the above table we get -