5) A group of 196 psychology subjects took an intelligence exam and generated a mean score of 60 and a variance 256. a) Test the hypothesis that the true mean score is at least 62 with 10% significance.

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A: We can answer the question as below.

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A:

Q: 5) Solve for x. 2Vx + 2 - V3r + 4 = 1

A: In algebra, an equation can be defined as a mathematical statement consisting of an equal symbol…

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A:

Q: 3. Solve for x.

A:

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A:

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A:

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A: Question 9: According to the given information it is required to solve the system of linear…

Q: 4. -8z -y+3: =1 4r + 4y +== 41 6r + 4y + 7: = 114 5. 3r + 7y - 2: = 37 6r + 7y + 10: = 46 -v+ 2: =-4

A: 4) Given:

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A: It is given that, alogaM We have to solve it.

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A:

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A: We have to solve

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A:

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A:

Q: r de o pilg

A: To evaluate the given integral.

Q: How many types of equations are present?

A: There are mainly five types of algebraic equation, dignified by the position of variables, types of…

Q: Solve. 10z 5 15 +5 = 60

A: Explanation and solution is given below....

Q: 7. Solve for x. 50 (12x-25) 96

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A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.