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miskamm [114]
2 years ago
14

a sticky scale brings webster’s attention to whether caulking tubes are being properly capped. if a significant proportion of th

e tubes aren’t being sealed, webster is placing their customers in a messy situation. tubes are packaged in large boxes of 144. several boxes are inspected and the following number of leaking tubes are found. calculate the three-sigma control limits to assess whether the capping process is in statistical control.
Mathematics
1 answer:
lina2011 [118]2 years ago
3 0

0.064 the three-sigma control limits to assess whether the capping process is in statistical control.

Total number of leaked tubes = 72

Total number of tubes = 144*20 = 2880

Pbar = 72/2880 = 0.025

Number of tubes in each box (n) = 144

We need to calculate Lower and Upper control limits for P-chart which can be calculated as

LCLp = Pbar - 3*√Pbar * (1 - Pbar)/n  = 0.025

UCLp = Pbar + 3* √Pbar * (1 - Pbar)/n  = 0.025

- 3* √0.025 * (1 - 0.025)/144  = 0.025 - 0.039 = -0.014 or 0

+ 3* (1 - 0.025)/144  = 0.025 + 0.039 = 0.064.

Statistical Control is a quality control method that uses statistical techniques to monitor and control processes.

Learn more about statistical control at

brainly.com/question/17150305

#SPJ4

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krek1111 [17]

We have to simplify

sec(θ) sin(θ) cot(θ)

Now first of all let's simplify these separately , using reciprocal identities.

Sec(θ) = 1/cos(θ)

Sin(θ) is already simplified

Cot(θ)= cos(θ) / sin(θ) ,

Let's plug these values in the expression

sec(θ) sin(θ) cot(θ)

= ( 1/cos(θ) ) * ( sin(θ) ) * ( cos(θ) / sin(θ) )

= ( sin(θ) /cos(θ) ) * ( cos(θ) /sin(θ) )

sin cancels out with sin and cos cancels out with cos

So , answer comes out to be

=( sin(θ) /cos(θ) ) * ( cos(θ) /sin(θ) )

= 1

4 0
3 years ago
Read 2 more answers
The product of 7/8 and 9/10 is greater then 9/10
kati45 [8]
No the product will be less than 9/10.
This can be easily seen if the fractions are converted into decimals.
The decimal form of the product of 7/8 and 9/10 is 0.867 while the decimal form of 9/10 is 0.9. Therefore, the product of 7/8 and 9/10 is not greater than 9/10
3 0
3 years ago
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10 POINTS!!!<br><br> Name an angle that is adjacent to ∠BOC.
bogdanovich [222]
An angle adjacent to BOC would be COD or BAC. 
5 0
3 years ago
Graph the line that has a slope of <br> 1/3<br> and includes the point (0,9).
jekas [21]

Answer:

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7 0
4 years ago
7 line tshirt company manufactures t-shirts and sells them online.The company has a model where the cost C, in dollars to make x
bonufazy [111]

Answer:

The company must sell at least 2 shirts to break even.

Step-by-step explanation:

Cost:

The cost is given by the following equation:

C = \frac{40}{30x+20} + 20 = \frac{4x}{3} + 20

Revenue:

The revenue is given by the following equation:

R = 15x

How many t shirts must the company sell to break even?

Breakeven point is when the revenue is the same as the costs. So

\frac{4x}{3} + 20 = 15x

15x - \frac{4x}{3} = 20

\frac{45x}{3} - \frac{4x}{3} = 20

Multiplying everything by 3

45x - 4x = 60

41x = 60

x = \frac{60}{41} = 1,...

Since you cant make a decimal value of shirts

The company must sell at least 2 shirts to break even.

[

7 0
3 years ago
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