AP ICET 2017 Question Paper

Instructions

For the following questions answer them individually

AP ICET 2017 - Question 141


The arithmetic mean of 100 observations is 10. Of these the arithmetic mean of the first 25 observations is 12 while that of the last 65 is 9. The arithmetic mean of the remaining 10 observationsis

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AP ICET 2017 - Question 142


The mean deviation about the median of the observations 3, 5, 6, 5, 8, 5, 4, 8, 7 and 9 is

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AP ICET 2017 - Question 143


If 17 and 20 are respectively the median and the mean of a distribution then its mode is

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AP ICET 2017 - Question 144


The variance of the distribution given below is

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AP ICET 2017 - Question 145


The quartile deviation of 15, 60, 40, 72, 50, 28 and 30 is

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AP ICET 2017 - Question 146


If the sum of the squares of the deviations in 9 observations is 5 then the coefficient of rank correlation of them is

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AP ICET 2017 - Question 147


If A and B are independent events such that P(A) = 0.9 and P(B) = 0.8 then $$p(A \cap \overline{B}) + P(\overline{A} \cap B) =$$

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AP ICET 2017 - Question 148


The probability of getting the sum 7 when two dice are thrown simultaneously is

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AP ICET 2017 - Question 149


A natural numberis chosen at randomfromthe first hundred numbers. The probability that the numberis divisible by 3 or 5 is

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AP ICET 2017 - Question 150


Three balls are drawn at random from a box contaming 9 red and 6 white balls. The probability that one ball drawnis red and the others are white is

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