Curriculum
Course: Statistics — Third Secondary
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Curriculum

Statistics — Third Secondary

Unit 1: Correlation and Regression

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Unit 2: Advanced Statistical Measures

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Unit 3: Probability

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Unit 4: Random Variables

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Unit 5: The Normal Distribution

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Quiz

Discrete Random Variables — Lesson quiz

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  • Questions count: 2
  • Passing grade: 60%
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1.
A distribution gives probabilities 0.1, a, 0.3, 0.2 for x = 0, 1, 2, 3 respectively. Find a.
0.3
0.5
0.6
0.4
2.
In the distribution P(0) = 0.1, P(1) = 0.4, P(2) = 0.3, P(3) = 0.2, find P(1 ≤ X < 3).
0.7
0.9
0.3
0.6
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