GSE Math 7 Unit 6 Probability Study Guide

GSE Math 7 Unit 6 Probability Study Guide

<p>GSE Math 7 Unit 6 – Probability Study Guide</p><p>Name: ______</p><p>Calculate the following probabilities given one spin on the spinner below (assuming the spinner is fair). Write each answer as a fraction.</p><p>1. P(the amount is greater than $200) =______$300 $600</p><p>P(the amount is at least $400)=______2. $500 $100</p><p>3. P($700)=______$800 $700 4. P($300)=______$200 $400</p><p>5. A bag of marbles contains 7 red, 12 orange, 3 blue, and 6 multi-colored marbles. What is the probability of randomly selecting a marble that is not red? ______</p><p>6. A bag of marbles contains 3 red, 14 blue, 2 white, and 1 yellow. What is probability of not selecting a red or white marble? ______</p><p>7. If you spin the spinner shown, what is the probability of spinning purple or yellow? ______</p><p>Red</p><p>Purple Yellow</p><p>8. Three cards numbered 3, 6, and 9 are placed in a paper bag labeled “A”. Three cards numbered 4, 7, and 9 are placed in a paper bag labeled “B”. A card is randomly drawn from each bag. What is the probability that the first card is odd and the second card is odd? ______</p><p>9. Three cards numbered 3, 6, and 9 are placed in a paper bag labeled “A”. Three cards numbered 4, 7, and 9 are placed in a paper bag labeled “B”. A card is randomly drawn from each bag. What is the probability that first card drawn is even and the second card drawn is odd? ______For problems 10 and 11, there are 10 yellow, 6 green, 9 orange, and 5 red cards in a stack of cards turned facedown. Once a card is selected, it is replaced. Find each probability.</p><p>10. What is the probability that you will pull an orange card? ______11. What is p(pulling an orange card and pulling a red card)? ______</p><p>12. Morgan has 5 pencils that are colored red, blue, yellow, green and orange in her book bag. Last week, of the 20 times that she reached for a pencil, she grabbed the green pencil 4 times. How does the experimental probability of choosing a green pencil compare to the theoretical probability GSE Math 7 Unit 6 – Probability Study Guide</p><p>A. The experimental and theoretical probability is the same.</p><p>B. The experimental probability is less than the theoretical probability.</p><p>C. The experiment probability is greater than the theoretical probability.</p><p>D. Neither the experimental nor theoretical probability can be determined.</p><p>13. Robin has 4 pencils that are colored red, blue, yellow and orange in her book bag. What is the </p><p> theoretical probability of picking a blue pencil? </p><p> ______(answer as a fraction)</p><p> ______(answer as a decimal)</p><p>Using the playing cards shown below for problems 14 - 16, determine the probability of drawing the following cards. Write each answer as a fraction, decimal, and percent.</p><p>14. What is the probability of choosing a jack and a three? ______</p><p>15. What is the probability of choosing a queen or a five? ______</p><p>In a bag of M&M’s the distribution of colors is shown in the table below. Use the table to answer the question below.</p><p>Color Distribution Red 0.24 Yellow 10% Green 11% Blue 0.18 3 Orange 25 GSE Math 7 Unit 6 – Probability Study Guide</p><p>1 Brown 4</p><p>16. If a M&M color is selected at random, which color is most likely to be selected? ______</p>

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