Probability

MKS Probability — Quantitative Comparison (Level 2) Compare Quantity A and Quantity B. Choose one of the following for each question: A) Quantity A is greater B) Quantity B is greater C) The two quantities are equal D) The relationship cannot be determined 1.A fair coin is tossed 4 times. Quantity AP(at least one head)…

Probability using Combination Formula — Selection Type Choose the correct answer, then click “Check” (per question) or “Check Answers”. 1. There are 9 students including Mira. Two students are chosen at random. What is the probability Mira is chosen? A. \( \tfrac{1}{4} \) B. \( \tfrac{1}{6} \) C. \( \tfrac{2}{9} \) D. \( \tfrac{1}{3} \)…

Probability Test — Dice • Coins • Playing Cards Select one answer for each, then click “Check” or “Check Answers”. 1. A fair die is rolled twice. What is the probability that at least one roll shows a 6? A. \( \tfrac{1}{6} \) B. \( \tfrac{5}{36} \) C. \( \tfrac{11}{36} \) D. \( \tfrac{25}{36} \)…

Probability — Set B (MKS Style) Choose the correct answer for each question, then use “Check” or “Check Answers”. 1. Each weekday (Mon–Fri) has an independent chance of rain of \( \tfrac{1}{3} \). What is the probability it rains on at least one day during the workweek? A. \( \tfrac{32}{243} \) B. \( \tfrac{211}{243} \)…

Probability — MKS Quiz Choose the correct answer, then use the per-question “Check” or “Check Answers”. 1. A circle is divided into 12 equal sectors; 5 are shaded. If a random point is selected in the circle, what is the probability it lies in a shaded sector? A. \( \tfrac{1}{4} \) B. \( \tfrac{1}{3} \)…