WebMay 23, 2024 · Answer: 8/27 Step-by-step explanation: Given: In a class of 27 students, 18 are female and 8 have an A in the class. There are 2 students who are female and have an A in the class. To Find: What is the probability that a student chosen randomly from the class has an A? Solve: Given: Total : 27 Female : 18 A : 8 A Female : 2 Therefore, 8/27 Kavinsky WebUsing the Basic Counting Rule, there are 8 choices for the gold medal winner, 7 remaining choices for the silver, and 6 for the bronze, so there are 8 · 7 · 6 = 336 ways the three medals can be awarded to the 8 runners. Note that in these preceding examples, the gift certificates and the Olympic medals were awarded without replacement
A class consists of 10 boys and 8 girls. Three students arc
WebMar 20, 2024 · We are given that in a class there are 10 boys and 8 girls. The teacher wants to select either a boy or a girl to represent the class in a function. Now, we have to find the number of ways the teacher can make this selection. We have a total of 10 boys, from 10 we have to select a boy. Therefore, we can write: WebRatio problems: Two-term Ratios. Example 1: In a bag of red and green sweets, the ratio of red sweets to green sweets is 3:4. If the bag contains 120 green sweets, how many red sweets are there? Solution: Step 1: Assign variables: Let x = red sweets. Write the items in the ratio as a fraction. Step 2: Solve the equation. earth silhouette svg
in a class there are 8 students who play football and …
WebAs asked, the question is seeking to know the number of subsets of size 4 in a set of size 12. A subsequent accounting for the order in which they are chosen is a change in the nature of the question. So there are $${12\choose 4}$$ ways to do this. Your interpretation is correct. WebJan 1, 2011 · The program should display the percentage of males and females in the class. Hint: Suppose there are 8 males and 12 females in a class. There are 20 students in the … WebIn a class, there are 4 freshman boys, 6 freshman girls, and 6 sophomore boys. How many sophomore girls must be present if sex and class are to be independent when a student is selected at random? Let . n be the number of sophomore girls, F be the event freshman and B be the event boy. Then we know P F = 10 16+n , P B = 10 16+n and P F∩B = 4 ... ctpat on you tube