Which of the following is true for normal distributions? Around 30% of the scores will be located within +/- one standard deviation of the mean. Around 50% of the scores will be located within +/- one standard deviation of the mean. Around 70% of the scores will be located within +/- one standard deviation of the mean. Around 90% of the scores will be located within +/- one standard deviation of the mean. QUESTION 4 Which of the following best describes what the standard error of the mean represents?

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Q: 3/20 + 13/15 combine.

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Q: A curve is given by the equation y = ln (2³+¹). x5

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Q: Divide. 3x – 3 7x - 7 Sx2 24 (x - 1) 7x(x - 1)

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Q: రం్ియ 20 5-6 a06 5a 3. 3.

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Q: 4. 3*+4 72x-1

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Q: 2 3 B={ A= 3 Find: A+B .B+A .A-

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Q: 1) S7 (1+x*)²

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Q: 6 5 3 5 6 2 Let D =| 4 -5 7 and E = 1 0 7 1 0 -3 2 5 Find - 5D- 6E.

A: given matrices are

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Q: 0 1 2 4 0 2 4 0 0 3 9 12

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Q: ミ っa 9.

A: We find the value of r in above questions.

Q: 1 3 -2 What is the rank of 2? -81 -1 -2 -6 4 a. 4 с. 2 b. 3 d. 1

A: Given: The matrix, 13-2401-12-2-64-8 To find: The rank of the matrix.

Q: 14. (27 – 3 + 3k ) + 3(7 – !J + k )

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Q: 1 + 2n < n° for all integers n² 2

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A: Given,

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A: Given:The indefinite integral given is

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Q: 3(m – 5) + m

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