# The length of time to complete a door assembly on an automobile factory assembly line is...

###### Question:

The length of time to complete a door assembly on an automobile factory assembly line is normally distributed with mean μ = 6.7 minutes and standard deviation σ = 2.2 minutes.

What is the probability that one door takes less than 6 minutes to assemble?

A sample of 2000 is taken, what is the mean value for this sampling distribution of sample means?

A sample of size 400 is taken, what is the standard error of this sampling distribution of sample means?

A sample of size 20 is taken, what is the shape of the sampling distribution of sample means?

A sample of 400 is taken, what is the probability that the sample mean is between 6.5 and 7.2 minutes?

A sample of 400 is taken, what is the probability that the sample mean is less than 6.4?

#### Similar Solved Questions

##### Which statement about sampling for a pilot study is true? A. The sample for a pilot...
Which statement about sampling for a pilot study is true? A. The sample for a pilot should be drawn from the same population as will be used in the main trial. B. A sample size of 40 (20 per group) is usually adequate for a pilot trial. C. The pilot sample usually is folded into the s...
##### Part C: Waterpark case study Wet ‘n Wild is a chain of waterparks operated across Australia,...
Part C: Waterpark case study Wet ‘n Wild is a chain of waterparks operated across Australia, the United States, and now China. The first waterpark in the chain was opened on the Gold Coast in Australia in 1984. Since that time they have expanded to eight locations, including Hawaii and Las Veg...
##### Consider the circuit shown in the figure below. Determine (a) the current in the resistor of...
Consider the circuit shown in the figure below. Determine (a) the current in the resistor of , (b) the potential difference between points a and b (c) the power delivered by the voltage source 10.00 25.0 V 10.0 b 5.00 20.0 5.00 We were unable to transcribe this image...
##### Calculate the number of moles of HI that are at equilibrium with 1.42 mol of H2...
Calculate the number of moles of HI that are at equilibrium with 1.42 mol of H2 and 1.42 mol of I2 in a 3.50 L flask at 450.°C. H2(g) + I2(g) equilibrium reaction arrow 2 HI(g) Kc = 65.7 at 450.°C...
##### I need help I dont know what else to label on these 2 images (plant biology)...
I need help I dont know what else to label on these 2 images (plant biology) 1) External leaf structure (epidermis) Examine the micrographs below. Identify the monocot and the eudicot. Label as many of the cells of the leaf epidermal tissue as you can. Monocot or Eudicot leaf? (circle one) (400x)...
##### Exercise 6-09 al,a2, b Oriole Company reports the following for the month of June. Units Unit...
Exercise 6-09 al,a2, b Oriole Company reports the following for the month of June. Units Unit Cost Total Cost $5 June 1 12 350 500 350$ 1,750 3,000 Inventory Purchase Purchase Inventory 6 23 7 2,450 30 160 Calulate Weighted Average Unit Cost. (Round answer to 2 decimal places, e.g. 15.25.) Weighted...
##### Who pays for health care in the united states? how?
Who pays for health care in the united states? how?...
##### Solve the system of equations by the addition method. If the system does not have a...
Solve the system of equations by the addition method. If the system does not have a single ordered pair as a? solution, state whether the system is inconsistent or dependent. 5X + 4 = 6 2X + 2Y = 4...
##### Best Care Company began operations on January 1, 2017, and uses the FIFO method in costing...
Best Care Company began operations on January 1, 2017, and uses the FIFO method in costing its raw material inventory. Management changed the inventory valuation method to the LIFO method in 2018. Corporate accounting staff has determined what effect such a change will have on net income. The Tax Ra...
##### A moving charge or current can produce a magnetic field. True False
A moving charge or current can produce a magnetic field. True False...
##### Which of the following is not allowed as a business deduction for income tax​ purposes? Choose...
Which of the following is not allowed as a business deduction for income tax​ purposes? Choose the correct answer. A. Interest expense on a business bank loan B. Capital Cost Allowance​ (CCA) C. Depreciation D. Life insurance for a​ proprietor, which is a required condition for the...
##### Atom question significant thank you atomic theory of matter Chemistry | early atomic theory I general...
atom question significant thank you atomic theory of matter Chemistry | early atomic theory I general chemistry | isotope POINTS: DIFFICULTY: Easy REFERENCES: 2.5 QUESTION TYPE: Multiple Choice HAS VARIABLES: False KEYWORDS: OTHER: Conceptual DATE CREATED: 3/4/2016 4:31 PM DATE MODIFIED: 2/...
##### A warehouse worker is pushing a 90.0 kg crate with a horizontal force of 292 N...
A warehouse worker is pushing a 90.0 kg crate with a horizontal force of 292 N at a speed of v = 0.875 m/s across the warehouse floor. He encounters a rough horizontal section of the floor that is 0.75 m long and where the coefficient of kinetic friction between the crate and floor is 0.359. (a) Det...
##### Table 1. Teratogenicity of the Optical Isomers of Thalidomide in New Zealand White Rabbits (based on...
Table 1. Teratogenicity of the Optical Isomers of Thalidomide in New Zealand White Rabbits (based on Fabro, Shill, Normal Fetuses Malformed Fetuses Optical form administered (150 mgRabbits drug/kg body weight) None 5 39 0 RS 6 25 10 R(+) 7 46 8 S(-) 8 56 9 These results were disputed by Kohler, et ...
##### Moving to another question wil save this response. Question 2 For the data set below, find...
Moving to another question wil save this response. Question 2 For the data set below, find the 73rd percentile. st 61 9 74 T0 32 58 24 46 25 117 59 51 7 0 36 67 67 54 33 60 62 64 ama vice Θ 73 067 & Moving to another question will save this response. fe stud...
##### 7- Most geologists believe that the dinosaurs became extinct 65 million years ago when a large...
7- Most geologists believe that the dinosaurs became extinct 65 million years ago when a large comet or asteroid struck the earth, throwing up so much dust that the sun was blocked out for a period of many months. Suppose an asteroid with a diameter of 2.0 km and a mass of 1.0 * 1013 kg hits the ear...
##### Calculate the Delta H_rxn for the reaction... Fe_2O_3(s) + 3CO(g) rightarrow 2Fe(s) + 3CO_2(g) Given the...
Calculate the Delta H_rxn for the reaction... Fe_2O_3(s) + 3CO(g) rightarrow 2Fe(s) + 3CO_2(g) Given the following reactions and their associated Delta H values: 2Fe(s) + 3/2 O_2(g) rightarrow Fe_2O_2(g) Delta H = - 824.2 kJ CO(g) + 1/2O_2(g) rightarrow CO_2(g) Delta H = -282.7 kJ...
##### How do you expand the expression -6(7p + 3)?
How do you expand the expression -6(7p + 3)#?...
##### Can you give me code for R for question (a) and (d)? I have the plots...
Can you give me code for R for question (a) and (d)? I have the plots but I do not know how the codes work. for (a) (d-1) (d-2) A study was conducted to explore the effects of ethanol on sleep time. Fifteen rats were randomized to one of three treatments. Treatment 1 got only water (conto). Treatmen...
##### Zenefit Corporation sold laser pointers for $11 each in 2017. Its budgeted selling price was$12...
Zenefit Corporation sold laser pointers for $11 each in 2017. Its budgeted selling price was$12 per unit. Other information related to its performance is given below: (Click the icon to view the information.) (Click the icon to view the partially completed performance report.) Calculate Zenefit'...