TS ICET 30th Sep 2020 Shift-2

Instructions

For the following questions answer them individually

Question 141

The mean of the following frequency distribution is

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Question 142

Which one of the following is NOT true?

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Question 143

If the mean and Mode of a data are 9 and 100 respectively, then the Median is

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Question 144

The variance of 1471, 149, 151, 153,...., 183 is

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Question 145

The standard deviation of three consecutive integers is

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Question 146

The rank correlation for the following data is

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Question 147

If A and B are events with P(A) = 0.5, P (B) = 0.4 and P(A $$\cap$$ B) = 0.3, then the probability that neither A nor B occurs is

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Question 148

A problem in statistics is given to three students A,B and C whose chances of solving it independently are $$\frac{1}{2}, \frac{1}{3}$$ and $$\frac{1}{4}$$ respectively. The probability that exactly one of them is able to solve that problem is

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Question 149

In a simultaneous throw of two dice, the probability of getting a total of 10 or 11 is

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Question 150

If the letters of the word MINISTER are permuted at random, then the probability that all three vowels come together is

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