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. WebAge 11 to 14 ShortChallenge Level. There are six more girls than boys in Miss Spelling's class of pupils. What is the ratio of girls to boys in the class? If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas. This problem is taken from the UKMT Mathematical Challenges. You can find more short ...
In a class, there are 14 boys and 11 girls. Three students …
WebThere are 18 boys and 14 girls in the class. In how many ways can three representatives be elected to the school parliament if these are to be: a) the boys themselves b) one boy and two girls Correct answer: a = 816 b = 1638 Step-by-step explanation: C 3(18) = (318) = 3!(18−3)!18! = 3⋅2⋅118⋅17⋅16 =816 a= (318)= 816 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 the teacher calls upon a student to answer a question, what is the probability that the student will be a girl? 0.571 0.314 0.71 0.429 Previous question Next question flower shop haverhill ma
In a class there are 27 boys and 14 girls. The teacher want to select 1
WebApr 10, 2015 · Cardinal Mooney used a couple of scoring spurts, one in each half, to defeat the Falcons, 20-9, in the Class 1A-District 11 championship game Thursday evening at Austin Smithers Stadium at John ... Webn a certain class of students, there are 11 boys from Wilmette, 6 girls from Winnetka, 7 girls from Wilmette, 4 boys from Glencoe, 2 boys from Winnetka and 9 girls from Glenoce. If … WebApr 15, 2024 · Blue Streaks tennis downed in Districts. SEBRING — Sebring High School’s boys and girls tennis teams came up short in the Class 3A-District 6 tournament. Although there was still a bright spot. Despite both squads finishing in third and missing out on advancing to regionals, some Streaks still had a successful day. flower shop happy valley goose bay