MBA BA5106 Important Questions Statistics for Management
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Sample BA5106 Important Questions Statistics for Management :
In 1989, there were three candidates for the position of principal Mr. Chatterji, Mr. Ayangar and Dr. Singh. Whose chances of getting the appointment are in the proportion 4:2:3 respectively. The probability that Mr. Chatterji is selected, would introduce co-education in the college is 0.3. The probabilities of Mr. Ayangar and Dr. Singh doing the same are respectively 0.5 and .08. What is the probability that there was co-education in the college in 1990?
Find the probability that atmost 5 defective bolts will be found in a box of 200 bolts, if it is known that 2% of such bolts are expected to be defective. (e-4= 0.0183)
A coin is tossed 6 times what is the probability of obtaining (a) 4 heads (b) 5 heads (c) 6 heads (d) getting 4 or more heads.
In a bolt factory machines A, B, C manufacture respectively 25%, 35% and 40% of the total of their output 5, 4, 2 percent are defective bolts. If A bolt is drawn at random from the product and is found to be defective, what are the probabilities that is was manufactured by machines A, B and C?
In a test of 2000 electric blubs it was found that the life of a particular make was normally distributed with an average life of 2040 hours and S. D. of 60 hours. Estimate the number of blubs likely to burn for
(1) More than 2150 hours
(2) Less than 1950 hours
(3) More than 1920 hours but less than 2160 hours.
The latest nationwide political poll indicates that for Americans who are randomly selected, the probability that they are conservative is 0.55, the probability that they are liberal is 0.30 and the probability that they are middle of the road is 0.15. Assuming these probabilities are accurate, answer the following
BA5106 Important Questions Statistics for Management
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