27. This distribution is used to determine the probability of an event by transforming the mean of the sample to an approximately standard normal variable when the population variance is given. A. t-Distribution B. Z-Distribution C. Chi-Square Distribution D. Pearson Correlation Coefficient 28. Which of the following notations is used for the mean of the population? А. и B. µã С.о D. 0ž 29. Which of the following equations is the formula used to estimate the numerical characteristics of the population where the population variance is unknown, and the sample size is less than 30? A. z = C. t= X-u B. z = D. t =

Q: 24 30

A:

Q: Add. 4 5/8 + 4 4/7

A:

Q: wrong answer. can you do it again

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Q: 26 ÷ 22

A: Solve by squarring both side

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A: We know simplification of the expression, ax-bx= (a-b)x

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A: nCr=n!r!×(n−r)!r!=r(r-1)(r-2)×....×3×2×1

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A: We need to draw numbers on number line.

Q: Combination C.  (87,1)

A: Given:              C87, 1 The number of k-combinations from a given set S of n elements can be…

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A: Rank: The rank of an m×n matrix is r if the number of linearly independent columns of the matrix is…

Q: R 7 6.4 6. a

A: For similar triangle, ratio of corresponding sides are equal

Q: Find AB.

A:

Q: 1b+1b

A: Applying  addition operation since terms with same variable  binomial addition

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A:

Q: . 8х-4у>-28 6y212х-36

A:

Q: 1 Evaluate. 5P3 • 6C4 900 300 150

A: Use the formula and evaluate.

Q: Find A. -1 1 (4A)-1 = -4 2 A =

A: Solve the following

Q: List all the ways that you can arrange the letters A,B, and C

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Q: 33 10

A:

Q: the

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Q: Simplify. - 1 (3a "") (За За

A:

Q: answer letter d, e, f

A: We will use Excel to find the area under the t distribution curve.

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A:

Q: Subtract the signed numbers by adding the opposite of the second number to the first number.   2−38

A: The given expression is 2-38.

Q: B+A=18 B=

A: B + A = 18

Q: 12 30 24

A:

Q: 30 = 6 + z z =

A: Given : 30  = 6+z

Q: Select the final image of AABC after the given sequences of transformations. Translate AABC by…

A:

Q: Simplify. - V4 = 0

A:

Q: - 21-96

A: Hi there, if you are at basic level then below is the answer.