Questions 51–60 of 88. Imported answers require independent review unless marked reviewed.

Topic practice 88 questionsPage 6 of 9

Question 21

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BTNAT1 markNeeds review
Three balls, colored in blue, green and red, are successively transferred from box

to box

in the order BLUE-GREEN-RED. The probability of a reverse transfer of the balls to the box

in the same order (rounded off to two decimal places) is ________.

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Question 23

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The value of

(rounded off to two decimal places) is ________.

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Question 43

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BTNAT2 marksNeeds review
If the values of two random variables

are (121, 360), (242, 364) and (363, 362), the value of correlation coefficient between X and Y (rounded off to one decimal place) is _____.

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Question 44

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The determinant of matrix

is _____.

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Question 49

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Calculate the following integral:


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Question 9

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For a matrix

;

, the diagonal elements are all zero and

. The minimum number of elements required to fully specify the matrix is _____.
Your answerChoose one option.

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Question 17

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A function

is as follows:

The function

is a continuous function when

is equal to ____________ (answer is an integer).

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Question 18

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Given that

, the value of

for X = 1 and Y = 0 is ____________ (answer is an integer).

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Question 23

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The largest eigenvalue of the matrix

is ____________.

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Question 24

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A normal random variable has mean equal to 0, and standard deviation equal to 3. The probability that on a random draw the value of this random variable is greater than 0 is ____________ (round off to 2 decimal places).

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