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4th Quarter Examination: Statistics and Probability

Authored by Arnold Meñez

Mathematics

11th Grade

Used 23+ times

4th Quarter Examination: Statistics and Probability
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50 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

It is an original datum that has not been transformed.

Data

Raw score

Data raw

Standard score

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The normal random variable X = 100 in the given mean µ = 85 and standard deviation σ = 8 of a population in the Statistics test. What is the probability of scores that lies above 100?

4.01%

2.01%

5.01%

3.01%

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

It is a region under the normal curve. Refer to the values on table of Z-Score.

Area of Normal Curve

Z-Scores

Empirical Rule

Probability of Normal Curve

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find the z-score value that corresponds to a normal random variable X = 100 in the given mean µ = 85 and standard deviation σ = 8 of a population in Statistics test.

1.85

1.86

1.87

1.88

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find the area to the left of z = 1.53.

.7039

.3970

.9370

.7093

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A normally distributed population of test scores has a mean of 80 and a standard deviation of 2.5. Find the percentage of scores that lies below 75.

1.39%

2.28%

1.79%

2.87%

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find the raw score X for given the sample mean x = 135, and sample standard deviation s = 30, and z = -2.

55

65

75

85

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