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One Tailed and Two Tailed Tests
The critical region ( or the region of rejection) which is generally 5 per cent is kept on both sides of the normal distribution in a two tailed test. It means that 2.5 per cent of the critical is on the extreme left of the normal curve and 2.5 percent on the extreme right. The middle 95 % is the acceptance region in a single tail test the 5 per cent area would be either on the extreme left of the normal curve or on the extreme right. The remaining 95 percent area would be the acceptance region.
Two tailed test is applied when the null hypothesis is that mean weight of the undergraduate male students is 120 pounds and the alternate hypothesis is that it is not 120 pounds. In such a situation the actual value of the population mean or maybe more than 120 pounds or less than 120 pounds. In such situation a two tailed is appropriate.
A company produce three sizes of windows fans small,medium and large. The manager has formulated an LP model for production.
A PAPER MILL PRODUCES TWO GRADES OF PAPER VIZ., X AND Y. BECAUSE OF RAW MATERIAL RESTRICTIONS, IT CANNOT PRODUCE MORE THAN 400 TONS OF GRADE X PAPER AND 300 TONS OF GRADE Y PAPER I
how Network Scheduling solving a real problem in a real business .
how i make project report on "application of or".i want help from you.can you give me idea to complete this report..
Question: Machine A costs Rs. 9000. Annual operating costs are Rs. 200 for the first year, and then increase by Rs. 2000 every year. Suppose that the machine has no resale valu
The following equation gives Jane's linear demand curve for visits to a nearby national park. Q is the number of visits per week and P represents the price of a pass (price per vi
a manufacture wants to ship 8 loads of his product as shown below. The matrix gives the mileage from origin to the destination D.
A paper mill produces two grades of paper viz., X and Y. Because of raw each) material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of g
maximize z=3x1+2x2 subgect to the constraints x1+x2 x1-x2 x1,x2>_0
#what are the methods of OR ?
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