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Which of the following statements are true with regards to the selection of a sample size? (i) The sample size (n) may be a fixed percentage of lot size (N). (ii) The sample size (n) may be kept constant irrespective of lot size (N). (iii) Sample size (n) can be selected at the personal whim of the inspector.
Study information given and select valid conclusion/s from the given statements based on it. In a joint family the number of members who take only coffee is equal to the half the number of members who take tea and the number of persons who take only tea is equal to the half the number of persons who take coffee. Statements: a. The total number of persons who take either coffee or tea or both is thrice the number of persons who take only coffee or only tea. b. The total number of persons who take only coffee and those who take only tea is twice the number of persons who take both coffee and tea.
Which one of the following four addresses is NOT EXACTLY the same as the one given below? Samuel Chris Lot CN3, Tu Liem IZ, Minh Khai Ward, North Tu Liem District Hanoi, Vietnam (i) Samuel Chris Lot CN3, Tu Liem IZ, Minh Khai Ward, North Tu Liem District Hanoi, Vietnam (ii) Samuel Chris Lot CN3, Tu Liem IZ, Minh Khai Ward, North Tu Liem District Hanoi, Viatnam (iii) Samuel Chris Lot CN3, Tu Liem IZ, Minh Khai Ward, North Tu Liem District Hanoi, Vietnam (iv) Samuel Chris Lot CN3, Tu Liem IZ, Minh Khai Ward, North Tu Liem District Hanoi, Vietnam
Calculate AOQ for a lot of size 10000 from which a sample of size 100 is drawn for inspection using a single sampling plan with acceptance number, C = 2. Take 1% of lot as defectives and Pa = 0.92
An Investigator interviewed 100 students to determine the performance of three drinks milk, coffee and tea. The investigator reported that 10 students take all three drinks, 20 students take milk and coffee, 30 students take coffee and tea; 25 students take milk and tea; 12 students take milk only. 5 students take coffee only and 8 student take tea only. Then the number of students who did not take any of the three drinks is λ. The value of \(\frac{\lambda }{4}\) is equal to
In a test of differences between proportions, two samples are taken. In the first sample, a sample size of 100 shows 25 successes. In the second sample, a sample size of 80 shows 25 successes. What would be the value of B in this case?
There is a rectanguler parking lot with a length of 2x and a width of x. What is the ratio of the perimetr of the parking lot of the rea of the parking lot to the area of the parking lot,
A grocery shop procures 600 bottles of packaged juice from two different vendors. 20% of the lot is from Vendor-1 and 80% is from Vendor-2. The cost per bottle is Rs. 25. After reviewing the lot from Vendor-2, the grocer finds that 25% of the lot had just a day’s shelf life. He decides to return the lot back. How much money will he get back from Vendor-2?
In a parking lot there are two types of vehicles, two wheelers and four wheelers. The total number of the vehicles in the parking lot is 200. When the number of the wheels of all the vehicles is counted it is counted to be 580. Find the total number of the four wheeler vehicles in the parking lot ?
Read the following sentences and choose the correct option. (i) Variables can only take discrete values while Attributes can take continuous values. (ii) Variables can only take continuous values while Attributes take discrete value. (iii) Attributes and variables are dependent on each other. (iv) Width of an impeller blade is a variable but no. of defective blades in a lot is an attribute.