QUESTION 3 For a normal distribution, a positive value of z indicates that O a. all the observations must have had positive values. b. the area corresponding to the z is either positive or negative. c. the sample mean is smaller than the population mean. O d. the sample mean is larger than the population mean.

Q: w + 4 w + 10 6. 8.

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Q: 4s +5 S -4

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Q: 2 +,

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Q: Solve the proportion. X-4 6 8

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Q: +2 1/2 215

A:

Q: Consider F(x) = = F(0) = 0 F'(3) = 6 F'(1) = 0 O F'(4) = 10 F'(2) = 2 I tf(t) tf(t) dt. Which of the…

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Q: 5 3 + s2-8 s2+ 3.

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Q: graph shows the relationship between the volume of the dilated box and the scale factor. diusuon 5.…

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Q: -11/6+3/4

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Q: w + (-7), when w = - 1

A: The expression is given by w+(-7) To evaluate: The value of the expression when w=-1.

Q: (4x)2

A: To evaluate(4x)2

Q: -5 -2 1

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Q: 2. -ў — 2у %3D 6

A: answer is in next step

Q: 7w/4 + 5 = 3w/10 + 1

A: To find the value of w satisfying the given equation

Q: 2/21 + -2/9.

A: 221+−29

Q: 4a5b• V18a3b6

A: We have to find

Q: 1+4+6+8

A:

Q: 3V3 3.

A:

Q: 1) 6dx 3/3

A: ∫33361+x2dx=6∫33311+x2dx=6tan-1x333=6tan-13-tan-133=6tan-13-tan-113=6π3-π6=2π-π=π

Q: 11 –/7

A:

Q: -2 -4 and D = 4 8

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Q: y +y - 2y = 0

A: Here we have to solve , the given differential equation  y"+y'-2y=0 ...........(1)

Q: 6 1/6 + 6

A:

Q: b. V3x -11= x+1 ,2

A: Solving on graph

Q: 8 15 2 15

A: 8/15 -2/15 here simple substraction given and fraction is given  calculation is given inbelow

Q: Two and two

A: Given:   Two and two

Q: 89 36 1-410

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Q: J4ー Ax

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Q: 5+3.2n-6-4.8n

A: