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- Suppose we want to throw a coin 10 times, predict how many times an image will appear and how many times a letter will appearPlease answer this question from a discrete math textbook. A degree in computer science has 8 elective topics, and students must complete 2 or 3 of them in order to graduate. If 1000 students graduate, show that there is a group of at least 12 students that all completed the same electives.There are a total of 165 students in 7th grade. 33 of those students chose to be fully virtual. What percentage of students are fully virtual?
- A survey by the Boston Globe questioned upper elementary and middle school students about cell phones. 90 students, or 45% of those surveyed, said that they had their own cell phone. How many students were included in the survey?The average age of 4 siblings is 12.5 years. If 3 of the siblings are 12-year-old triplets, how old is the fourth sibling?What is PEMDAS?
- At a liberal arts school, a survey of 100 students indicates that 68 enjoy their English class while 47 enjoy their math- ematics class. How many of these students enjoy both their English class and their mathematics class?A car manufacturer estimates that 25% of the new cars sold in one city have defective engine mounts. If 2,568 new cars are sold in that city, about how many will have defective engine mounts?About cars will have defective engine mounts.Ted Williams played for the Boston Red Sox from 1939-1960. Many people credit him with being the greatest hitter of all time. Unfortunately, his career totals are somewhat less impressive than others because his career was interrupted from 1943-1945 by World War II and from 1952-1953 by the Korean War. Some assert that if he had been playing during the war years, he would have broken Hank Aaron’s home run record of 755 and runs batted in (RBI) record of 2297. Below are Williams’ statistics. Year Number of home runs Number of RBIs 1939 31 145 1940 23 113 1941 37 120 1942 36 137 1943 0* 0* 1944 0* 0* 1945 0* 0* 1946 38 123 1947 32 114 1948 25 127 1949 43 159 1950 28 97 1951 30 126 1952 1* 3* 1953 13* 34* 1954 29 89 1955 28 83 1956 24 82 1957 38 87 1958 26 85 1959 10 43 1960 29 72 a.Excluding the…