The Z scores of two tests scores are + 1.2 and + 1.5. To obtain the area between these scores       find the area between each score and the mean in the Z score table and then subtract the smaller area from the larger area       find the area beyond each score in the Z score table and subtract the difference between the areas from the mean   find the area between each score and the mean in the Z score table and then subtract the difference between them from 100%   subtract the Z scores and find the area of the difference in the Z score table

Q: Find the average value of ƒ(x) = 1/x on [1, 2]

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Q: Use left and right endpoints and the given number of rectangles to find two approximations of the…

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Q: What is the z-score that corresponds to the area of 0.0398?

A: Z-score tells the relationship between mean & values of a group.

Q: find the Z score such that the area to the right of the Z- score is 0.0054.

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Q: Find the mean value of y = x Between x =1 and x = 2

A: The solution for the above question is as shown below.

Q: What is area between z = - 2.89 and z = -1.43?

A: We've to find, P(-2.89<Z<-1.43) => P(Z<2.89)+P(Z<-1.43)

Q: Explain how to compute the area between the curve y=x^3-x^2-3x+3 and the x-axis from the values x=-2…

A: Let's draw the curves : Red shows curve of x3-x2-3x+3 .Blue shows curve of x =-2 .Green shows curve…

Q: What is the area above a z-score of –0.48?

A: What is the area above a z-score of –0.48?

Q: find the z-score that has 30.5 of the distribution's area to its left

A: Given, z-score = 30.5

Q: Select the correct answer:  χ2 0.005 with 9 degrees of freedom = 16.919. This means that the area to…

A: Solution:The degrees of freedom is 9.Chi-Square table:

Q: If the area of the shaded region. is 21.05% or .2105, find the z score at the question mark. Round…

A: z-score: The z-score is the number of standard deviations that the data points lies above or below…

Q: Given the function f(x) = 3x2 + x + 4 and the interval [1,8], answer the following questions…

A: Note:- As per our guidelines, we can answer the first part of this problem. For remaining part…

Q: For a z-score of 2.80, what is the area beyond the z-score in the tail?

A: The given z-score is 2.80.

Q: 3) Use approximating rectangles to approximate the area under the curve y = 4 – x2 on the interval…

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Q: a. Determine the z-score such that the area to its right is 16%. = 2

A: The standard normal distribution is derived from the continuous probability distribution, i,e from a…

Q: Match the given Z-score with its corresponding area.

A: Given:   Z 1.18 0.75 3.15 1.23 2.82 2.17 3.04 0.96 0.08 1.65

Q: Find z score  Area to the right of z= 0.421

A: Given: Area to the right of z is 0.421. The objective is to find the z score.

Q: use midpoints from [1,5] with n = 4 to approximate the area

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Q: Find the area of the region bounded by the graph of f(x) = 4 – x², the x-axis, and the vertical…

A: function f(x)=4-x2 To find area of region bounded by f(x), x-axis and the line x=1 and x=2.

Q: Find the average value of f(x)=9x+1 over [4,9]

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Q: Find the area under the curve of a Z-score What is the area under the curve of a Z-score of -1.35?…

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Q: 3) Find the z-score for which the area to its right is 0.33

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Q: Find the area between the graphs of y=8x-x+7 and y 3x -x+ 12

A: The given problem is to find the area between the given graphs. Given functions y=8x2-x+7 and…

Q: Find two z - values, one positive and one negative, that are equidistant from the mean so that the…

A: The areas in the two tails total 34%. The two z values are, Pz1<Z<z2=0.34 For,…

Q: Find the total area between y = -x2 - 2x and the x-axis for -3 sxS2.

A: The objective is to find the total area.

Q: The area between a negative Z score and a positive Z score can be found by     adding the Z scores…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ  are the mean…

Q: can ypu find the area left of z score 8.003

A: We hace to find given area..

Q: Find the area between y = (x - 3) eX and the x-axis from x = 3 and x 9.

A: Give that

Q: The edge x of a cube is measured with an error of at most 0.5%.What is the maximum corresponding…

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Q: Find the area under the normal curve with z-scores greater than 2.47:

A: The z-score is 2.47.

Q: find the z score area  z less than 2.5 z between 1.5 and -1.5

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Q: Find the z-score that corresponds to an area of 0.1235 in the right tail.   Find the z-score and…

A: We have to find z score.

Q: What is the area to the right of the z-score -2.26?   0.0119   0.5119   0.9881   0.4881

A: The area to the right of the z-score is -2.26

Q: Use left endpoints and 6 rectangles to find the approximation of the area of the region between the…

A: Let's find.

Q: Explain the concept of linear interpolation. Using linear interpolation, find (3) for f(x) - 5*.…

A: It is given that fx=5x. We have to find the interpolation polynomial using the given function. We…

Q: Find Z Z score that corresponds to the cumulative area 0.0059

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Q: What is the area of the region below the graph of the square root function and above the x-axis from…

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Q: а. Calculate the area under the curve from -2<x<2 using four inscribed rectangles. b. Calculate the…

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Q: Find two z values, one positive and one negative, that are equidistant (the same distance away) from…

A: Z1=+1.645≈+1.65

Q: Use left and right endpoints and the given number of rectangles to find two approximations of the…

A: The Left Riemann Sum (also Left Endpoint Approximation) uses the left endpoints of a subinterval.

Q: determine the z-score that corresponds to a cumulative area of 0.4801

A: P(Z&lt;z)=0.4801 z=?

Q: Find the area of the shaded region. f(x) = x* - 8x + 21x, g(x) = 6x + 36 (3,54) (-1,30 by -10

A: GIvenf(x)=x4-8x3+21x2g(x)=6x+36To find the area of shaded region from given figure.

Q: Find the area under the Normal curve between the two z-values. Shade the area of the region.

A: Note : According to our guidelines we are solving only first three sub-parts of a question and the…

Q: ______  is the z-score such that the area under the curve to the left is 0.93

A: Given info: The area under the curve to the left is 0.93.

Q: find the area of a parallelogram bounded by the y-axis, the line x=5, the line f(x)= 4+2x, and the…

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Q: find the area between y=2x2+9x-5 and y=-X2+6x+1 for x in (-2,2)

A: The given curves are,

Q: Show the area in a normal curve which is more than Z = 1.5

A: Required area is P(Z&gt;1.5)

Q: find out z score shaded area between -1.5647 and 1.3698

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Q: Determine the area of under the Normal Curve for -0.552 52 -0.5 2 area=[a]

A: Required probability is P(-0.5≤Z≤2)

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.