WebDec 5, 2024 · Statement 1: There are 35 students in the class. In order to determine the probability of selecting a boy, we need to know what fraction of the 35 students are boys. So, as it stands, statement 1 is NOT SUFFICIENT. Statement 2: The ratio of boys to girls is 3:4. WebSep 25, 2016 · If there are 9 girls and 11 boys in a class, what percentage of the class are girls See answer Advertisement Advertisement Brainly User Brainly User 1. Find the total number of class members 9 + 11 = 20 2. Find 9 as a percentage of 20 9 / 20 = 0.45 0.45 x 100 = 45% 45% of the class are girls. ...
Solved In a certain class of students, there are 11 boys
WebMar 2, 2024 · selected Mar 2, 2024 by Anuragk Best answer Correct Answer - Option 2 : 1/2 Given: Numbers of boys = 15 Numbers of girls = 10 Total numbers of boys and girls = 15 + 10 = 25 Selected at random = 2 Formula Used: Probability = (Possible Outcome/Total Outcome) n C r = n!/ (n - r)! r! Calculation: Random selection of a boy ⇒ 15 C 1 = 15 WebWhat is the ratio of boys to girls? A 3:4 B 4:3 C 3:7 D 4:7 Solution The correct option is B (4: 3) Since the number of boys =20 and the number of girls =15, the ratio of boys to girls is = 20: 15, i.e., 4: 3. Suggest Corrections 25 Similar questions Q. … dewey lake michigan homes for sale
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WebIn a certain class of students, there are 11 boys from Wilmette, 7 girls from Wilmette, 5 boys from Winnetka, 4 girls from Winnetka, 4 boys from Glencoe, and 4 girls from Glencoe. If … WebThere are 21 students in a class,12 are boys and 9 are girls. The teacher chooses two at random. If the first student chosen is a boy, explain why the probability that the second student chosen is also a boy is 11/20. Draw a tree diagram to illustrate the possible combinations of choosing two. students. WebWe would like to show you a description here but the site won’t allow us. church of ubuntu australia