Mathematics Practice Test – Probability (Questions with Answers and Explanations)

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Mathematics Practice Test – Probability (Questions with Answers and Explanations)

Hello and Welcome to Mathematics Practice Tests - Probability

  1. You are to attempt 5 random objectives questions ONLY.
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  3. You can attempt as many times as possible


Two dice are thrown together once. What is the probability that the sum of the scores is 8 or 10? (NECO 2016)

A. \frac{1}{2}     B. \frac{2}{5}     C. \frac{1}{6}     D. \frac{2}{9}


Given the set P defined as follows: P = {x: -1 < x ≤ 7, x is an integer} Find the probability that an integer chosen at random from P is less than 4. (NECO 2018)

A. \frac{4}{9}      B. \frac{4}{7}      C. \frac{1}{2}      D. \frac{5}{9}


Two numbers are selected at random from the integers 21 to 30 inclusive. Find the probability that one of the numbers is a multiple of 2 and the other a prime. (NECO 2018)

A. \frac{1}{10}     B. \frac{1}{5}     C. \frac{3}{10}     D. \frac{1}{2}


A batch of 40 components contains 5 which are defective. A component is drawn at random from the batch and tested and then a second component is drawn. Determine the probability that neither of the components is defective when drawn with replacement.

A. \frac{35}{40}      B. \frac{7}{8}      C. \frac{49}{64}      D. \frac{33}{44}


The probability of a student passing an examination is \frac{2}{5} . What is the probability that the student will fail?

A. \frac{1}{5}    B. \frac{2}{5}    C. \frac{3}{5}    D. \frac{3}{4}

 

 

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