Question

18) A manipulated variable could also be called::* OA) Response variable OB) Explanatory variable OC) Dependent variable OD) Independent variable

Answer 1

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18) ans

Option D) independent variableis correct .

(The thing that is changed on purpose is called the manipulated variable. Sometimes it is also called the independent variable.)

38) answer

Option B)1.88% is correct .

39) answer

Option D) 40.13% is correct .

Explantion of Question 38) & 39 is given below .

P(x>0) 3 Pex-eu) X - 2.4 * P(Z > 2:08) 0.0187 (by Using Normal Probabil Probability table 1.88 .

39) let - No. of books student read. Je 5.5 2 n = 64 P(x - 5) P(x <5) Р x-l 5-5.5 5 2 plec -0.25) P(Z > 0.25) I due to Symmetry) 0.40129 40.13 %

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