MATH 120: INTRODUCTION TO STATISTICS WEEK 3 EXAM GRADED A+

***Download Test Bank Immediately After the Purchase. Just in case you have trouble downloading, kindly message me, and I will send it to you via Google Doc or email. Thank you*** The MATH 120: Introduction to Statistics Test Bank is a thorough resource designed to support students studying statistics at the college level. This test bank offers a comprehensive collection of exam questions and answers, including week 8 exam answers and quiz answers for 2022/2023, making it an invaluable tool for exam preparation. The American Military University MATH 120 Test Bank, in particular, is tailored to meet the requirements of this specific course, offering a range of study documents that cover all main topics. By using this test bank, students can practice their statistical analysis skills and familiarize themselves with the types of questions they're likely to encounter in their exams, thereby enhancing their understanding of the subject and boosting their confidence ahead of assessments. MATH 120: INTRODUCTION TO STATISTICS WEEK 3 EXAM GRADED A+ 1. A 6-sided die is rolled once. What is the probability of rolling a 3? 1/36 1/12 1/6 1/3 1/2 2. A 6-sided die is rolled once. What is the probability of rolling a number that is less than or equal to 2? 1/36 1/12 1/6 1/3 1/2 3. A 6-sided die is rolled once. What is the probability of rolling a number less than 4? 1/36 1/12 1/6 1/3 1/2 4. A 6-sided die is rolled twice. Does the outcome of the first roll affect the outcome of the second roll? No, the rolls are independent events. No, the rolls are dependent events. Yes, the rolls are independent events. Yes, the rolls are dependent events. It depends on the type of die. 5. Two 6-sided dice are rolled at the same time. Are the outcomes dependent on each other? No, the rolls are independent events. No, the rolls are dependent events. Yes, the rolls are independent events. Yes, the rolls are dependent events. It depends on the type of dice. 6. Two 6-sided dice are rolled, one after the other. Are the outcomes dependent on each other? No, the rolls are independent events. No, the rolls are dependent events. Yes, the rolls are independent events. Yes, the rolls are dependent events. It depends on the type of dice 7. Two 6-sided dice are rolled. What is the probability that they both show 6? 1/36 1/18 1/12 1/6 1/3 8. A fair coin is flipped once, what is the probability that it lands on heads? 1/36 1/12 1/6 1/3 1/2 9. A fair coin is flipped 2 times and lands on heads both times. What is the probability of getting heads on the third flip? 3/4 2/3 1/2 1/3 1/4 10. A fair coin is flipped 8 times and lands on heads all 8 times. What is the probability of getting heads on the ninth flip? 1/2 1/3 1/4 1/8 1/9 11. A fair coin is flipped 3 times. What is the probability of getting heads all three times? 1/12 1/9 1/8 1/6 1/4 12. A fair coin is flipped 3 times. What is the probability of getting heads at least once? 11/12 7/8 3/5 1/4 1/8 13. If there is a 50% chance that it will rain today and a 50% chance that it will rain tomorrow, what is the probability that it rains at least one of the days? 1 3/4 2/3 1/2 1/3 14. There are 5 Kit Kats, 5 Milky Ways and 7 Snickers in a trick-or-treater's bag. If the trick-or-treater picks 2 Kit-Kats and 1 Snickers out of the bag, what is the probability that the next piece of candy out of the bag will be a Milkyway? 1/17 5/17 5/12 1/14 5/14 15. Standard M&M's come in six colors: brown, yellow, red, orange, green and blue. If there are 200 M&M's in a bowl and 20% are brown, 20% are yellow, 25% are red, 15% are orange, and 10% are green, how many blue M&M’s are in the bowl? 15 20 25 30 35 16. Rohan has been counting cars on the road. Of the cars he has observed, 40% of cars are SUVs, 50% of cars are sedans, and 10% of the cars are sports cars. He's also observed that if a car is a sports car, there's a 20% chance that it's yellow. What is the probability that the next car Rohan sees is a sports car that isn't yellow? 2% 8% 18% 20% 80% 17. An investment has a 20% chance of losing $20, a 30% chance of making $10, a 40% chance of making $20, and a 10% chance of making $100. What is the expected value of the investment? -$3 $5 $12 $17 $29 18. A used car dealer has 5 cars that are 3 years old, 4 cars that are 4 years old, 3 cars that are 5 years old, and 1 car that is 2 years old. What is the weighted average age of the cars at the dealership? (Round your answer to the nearest tenth.) 2.8 years 3.1 years 3.7 years 4.2 years 4.9 years 19. If a student gets a 96% on 1 exam, a 90% on 3 exams, and an 84% on 2 exams, what is the students weighted average score across the exams? 94% 92% 89% 87% 20. On a travel website, 58 hotels are rated 5 stars, 120 hotels are rated 4 stars, 135 hotels are rated 3 stars, 88 hotels are rated 2 stars, and 46 hotels are rated 1 star. What is the average hotel rating? 2.8 stars 3.1 stars 3.3 stars 3.5 stars 3.8 stars 21. Using the table, what is the probability that it is either sunny or overcast? 0.20 0.35 0.40 0.45 0.80 22. Using the table, what is the probability that it neither rains nor snows? 0.15 0.64 0.84 0.92 23. The ball in a roulette wheel can land on black, red or green. If there is a 47.37% chance that it lands on black and a 47.37% chance that it lands on red, what is the probability that the ball lands on green? 2.63% 5.26% 7.34% 9.21% 10.52% 24. In a deck of cards, there are 52 cards split evenly between red suits (hearts and diamonds) and black suits (clubs and spades). In each suit, there are cards numbered 2 through 10, a jack, a queen, a king and an ace. What is the probability of selecting two spades in a row? 7.2% 6.5% 6.3% 5.9% 25. In a deck of cards, there are 52 cards split evenly between red suits (hearts and diamonds) and black suits (clubs and spades). In each suit, there are cards numbered 2 through 10, a jack, a queen, a king and an ace. What is the probability that the card on the top of the deck is a club? 25.0% 11.5% 7.7% 4.9% 1.9%