This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 16 Probability – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 16 Probability Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Dani has 5 pink bows, 1 blue bow, and 4 purple bows. She will randomly choose 1 bow from the box. The probability Dani will choose a pink bow is (a) A) A. 1/2. B) 2/5. C) 1/10. D) 3/5. Show Answer Correct Answer: A) A. 1/2. 2. Picking a green marble from a box that has 5 red marbles, 6 green marbles and 4 blue marbles A) Impossible. B) Unlikely. C) Likely. D) Certain. Show Answer Correct Answer: B) Unlikely. 3. A list of all possible outcomes A) Sample space. B) Probability. C) Odds. D) Experimental probability. Show Answer Correct Answer: A) Sample space. 4. Which of the following is an example of a compound event? A) Drawing a single card from a deck. B) Rolling a die. C) Tossing a coin. D) Spinning a bottle and rolling a die. Show Answer Correct Answer: D) Spinning a bottle and rolling a die. 5. A student is chosen at random from a class of 16 girls and 14 boys. What is the probability that the student chosen is not a girl? A) $\frac{8}{15}$. B) $\frac{7}{15}$. C) $\frac{3}{15}$. D) $\frac{7}{30}$. Show Answer Correct Answer: B) $\frac{7}{15}$. 6. How would you describe the likelihood of the event, given that P(event)=0.8? A) Somewhat likely. B) Likely. C) Certain. D) Very likely. Show Answer Correct Answer: B) Likely. 7. A coin is tossed two times. Find the probability of getting atmost one head. A) 1/4. B) 1/2. C) 3/4. D) 0. Show Answer Correct Answer: C) 3/4. 8. Find the percent of increase from 18 liters to 30 liters. Round to the nearest tenth of a percent if necessary. A) 66.7%. B) 60%. C) 70%. D) 50%. Show Answer Correct Answer: A) 66.7%. 9. What type of event is defined as having only one outcome? A) Simple Event. B) Compound Event. C) Independent Event. D) Dependent Event. Show Answer Correct Answer: A) Simple Event. 10. A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?1/92/95/2110/21 A) 1/9. B) 2/9. C) 5/21. D) 10/21. Show Answer Correct Answer: C) 5/21. 11. Given the integers 1 through 33, what is the probability that one of these integers is divisible by 4 if it is a multiple of 6? A) 1/4. B) 5/33. C) 5/8. D) 2/5. Show Answer Correct Answer: D) 2/5. 12. Emily would like to buy some new furniture for her home. She decides to buy the furniture on credit with 9.5% interest compounded quarterly. If she spent $ 7, 400, how much total will she have paid after 8 years. A) $ 15, 415.94. B) $ 15, 683.28. C) $ 15, 927.56. D) $ 16, 109.05. Show Answer Correct Answer: B) $ 15, 683.28. 13. A box contains 4 white, 6 black, and 5 pink scarves. What is the probability of drawing a white or pink scarf? A) 2/3. B) 5/8. C) 9/15. D) 3/5. Show Answer Correct Answer: D) 3/5. 14. With ..... , the occurrence of one event does not affect the probability of the occurrence of another event.test tomorrow, rain tomorrow A) Dependent events. B) Sample space. C) Fractions. D) Independent events. Show Answer Correct Answer: D) Independent events. 15. ..... is the measure of a chance that a particular event will occur; written using fractions or percentages. A) Probability. B) Outcome. C) Sample space. D) Event. Show Answer Correct Answer: A) Probability. 16. The ..... that something might happen can be most likely or least likely (or anywhere in between). A) Ability. B) Event. C) Chance. D) Model. Show Answer Correct Answer: C) Chance. 17. A coin is tossed and a dice is rolled simultaneously. By listing the sample of all the possible outcomes of the event, find the probability that a head or a number greater than 4 are obtained. A) $\frac{1}{4}$. B) $\frac{1}{3}$. C) $\frac{3}{4}$. D) $\frac{2}{3}$. Show Answer Correct Answer: D) $\frac{2}{3}$. 18. The probability of an event is $\frac{37}{75}$ A) Certain. B) Likely. C) Equally likely to happen or not happen. D) Unlikely. Show Answer Correct Answer: B) Likely. 19. To multiply fractions, A) Find a common denominator and keep it in the answer. Just add the numerators. B) Multiply the numerators and denominators straight across (top x top = new top, and bottom x bottom = new bottom). C) Cross multiply (circle into a butterfly shape), and solve for x. D) Multiply by the reciprocal. Show Answer Correct Answer: B) Multiply the numerators and denominators straight across (top x top = new top, and bottom x bottom = new bottom). 20. Find the gradient of the line through (2, 4) and (6, 10). A) 1.5. B) 2. C) 2.5. D) 3. E) 1. Show Answer Correct Answer: A) 1.5. 21. A box contains 5 blue pens, 3 red pens and a number of black pens. A pen is picked at random from the box. The probability of picking a red pen is $\frac{1}{6}$ A) $\frac{1}{3}$. B) $\frac{4}{9}$. C) $\frac{5}{9}$. D) $\frac{2}{3}$. Show Answer Correct Answer: C) $\frac{5}{9}$. 22. Rational number A) A real number that can be expressed as the ratio of two integers. B) A number that cannot be expressed as a fraction. C) A whole number that is not a fraction. D) A number that has an infinite number of decimal places. Show Answer Correct Answer: A) A real number that can be expressed as the ratio of two integers. 23. A bag of candy contains 2 red, 4 yellow, and 4 green candies.P(NOT red or yellow) = A) 3/5. B) 1/5. C) 2/5. D) 4/5. Show Answer Correct Answer: C) 2/5. 24. P(n, 3) = 120 A) 5. B) 6. C) 7. D) 8. Show Answer Correct Answer: B) 6. 25. A rectangle has length four times its width. The perimeter is 60 cm. What is the width? A) 6 cm. B) 10 cm. C) 12 cm. D) 15 cm. E) 24 cm. Show Answer Correct Answer: A) 6 cm. 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