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Rajesh
Questions (119)
An aluminum I-beam has a flange width of 150 mm, web depth of 200 mm, and [7M flange thickness of 10 mm. If the beam is
1 answer
51 views
A C.I pipe of 200mm internal diameter and thickness of metal 50mm carries water under a pressure of 7 N/mm². Find the max and
1 answer
40 views
A steel channel section has a depth of 200 mm, flange width of 75 mm, and thickness of 10 mm. If the section is subjected to a
1 answer
75 views
A steel channel section has a depth of 200 mm, flange width of 75 mm, and thickness of 10 mm. If the section is subjected to a
1 answer
50 views
steel channel section has a depth of 200 mm, flange width of 75 mm, and thickness of 10 mm. If the section is subjected to a
1 answer
74 views
) Find 95% confidence limits for the mean of a normality distributed population from which the following sample was taken and
1 answer
45 views
Define estimatation and write different types of estimations
1 answer
41 views
It is claimed that a random sample of 100 tyres with a mean life of 15269 km is drawn from a population of tyres which has a
1 answer
36 views
In a factory machines A, B, C manufacture 25%, 35% and 40% of the total their output and 6%, 3%, and 2% are defective. A bolt is
1 answer
51 views
Using the method I of contour integration, evaluate integrate (x ^ 2)/((x ^ 2 + 1) ^ 2) dx from - ∞ to ∞
1 answer
59 views
If X is a normal random variable with mean 26 and S.D. 4. Find the probability that i) 23≤ X ≤ 30 ii) 18 ≤ X ≤ 24
1 answer
40 views
A random sample of size 81 whose variant is 26.25 and mean is 32 construct a 98% confidence interval
1 answer
49 views
In a Poisson distribution P(X=x) for x=0 is 10%. Find the (Log 102.3026.) mean and P(X<3),
1 answer
77 views
Write Probability distribution of the random variable of having number of red color cards when 3 cards are drawn from a pack of
1 answer
46 views
State Bayes theorem. Three urns A, B, C contains white, red and green balls as given below. Two balls are drawn from an urn
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86 views
Ex plain one tailed test and two tailed test with an example each
1 answer
39 views
In a class, 2% of the boys and 3% of girls are having blue eyes. There are 70% boys in the class. A student is selected and
1 answer
52 views
A die was thrown 9000 times and a throw of 5or 6 was obtained 3240 times. On the assumption of random throwing do the data
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60 views
Two animals C and B were tested according to the time to run a particular track with the following results:
Animal C 28 29 30 33
1 answer
49 views
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