Lesson 39 - Problem Solving Probability 500 Grade Practice Test Questions TOC | Lumos Learning

Lesson 39 - Problem Solving Probability Question & Answer Key Resources The Scholarly Unicorn's SAT Mathematics Advanced Guide
by Dr. Steve Warner

The Scholarly Unicorn's SAT Mathematics Advanced Guide
by Dr. Steve Warner Lesson 39 - Problem Solving Probability

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30 students in a math class took 3 short quizzes during the school year. Each quiz consisted of 4 questions, each question contributing to 25% of the quiz grade. The number of students receiving each of the 5 possible grades on each quiz is shown in the table above.

Assume that no student received the same grade on two different quizzes. If a student is selected at random, what is the probability that that student received a score of 100% on the first or third quiz, assuming that the student received a grade of 100% on one of the three quizzes?

Instruction: write your answer in decimal form.