Mean weight of 150 students is 60kg
WebThe mean weight of 150 students in a certain class is 60 kg. The mean weight of boys in the class is 70 kg and that of girls if 55 kg, then number of boys and girls respectively are A … WebJan 4, 2024 · The mean weight of boys in the class is 70 kg and that of the girls as 55kg. What is the number o... The mean weight of 150 students in a certain class in 60kg.
Mean weight of 150 students is 60kg
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WebApr 3, 2024 · ∴ Total weight of 150 students = 150 × 60 kg = 9000 kg We know, Total weight of 150 students = Total weight of x boys + Total weight of y girls = 70x + 55y ∴ 70x + 55y … WebSep 23, 2024 · The mean weight of 150 students in a class is 60kg the mean weight of boys is 70kg with a standard deviation of 10kg for the girls the mean weight is 55kg - 151… brunomondi28 brunomondi28 24.09.2024
WebThe mean weight of 150 students in a class is 60 kg. The mean weight of boys in the class is 70 kg. and that of the girls is 55 kg. Find the number of girls in the class. WebTotal students in class =150 mean weight =60kg total weight =150×60=9000kg Let the total number of boys =x mean weight of boys =70kg total weight of boys =70×x=70xkg total number of girls = total students - no. of boys =150−x mean weight of girls =55kg total weight of girls =55×(150−x)=55×150−55x=(8250−55x)kg
WebCorrect Option: A Given that total number of students = 150 = ( n 1 + n 2) and Mean weight of 150 students = 60 kg. The mean weight of boys a 1 = 70 kg and The mean weight of … WebApr 19, 2015 · Mean of the weight of 150 students: (Sum of weight of all students)/(No. of students). Therefore, 60=(Total weight)/150. So, total weight=60x150=9000 kg. Now, let …
WebDec 17, 2024 · Brainly User. The mean weight of 150 students is 60 kg. Therefore, Total weight of 150 students = (150×60)Kg=9000Kg. Now, mean weight of all boys from the …
WebApr 19, 2015 · The mean weight of 150 students in a class is 60 kg. The mean weight of boys os 70 kg, while that of the girls is 55 kg. Find the number of boys and girls in the class. Share with your friends 1 Follow 0 Pooja Khanna, Meritnation Expert added an answer, on 19/4/15 Here is the link for the answer to your query: small sized powerWebThe mean weight of 150 students in a certain class is 60 kg. The mean weight of boys in the class is 70 kg. and that of the girls is 55 kg., the ratio of boys and girls respectively is Q. Mean weight of a class is 50Kg. Mean weight of boys and girls are 52Kg and 42Kg respectively. Find the ratio of number of boys and girls in the school. Q. highwater clays clearwaterWebThe mean weight of 150 students in a certain class is 60 kg. The mean weight of the boys from the class is 70 kg, while that of girls is 55 kg. What is the number of girls in the class? Easy View solution > The mean weight of 25 students of a class is 60 kg. small sized presentsWebAug 22, 2024 · Find the Combined Mean & Combined Standard Deviation. Ans: 56, 7.46 BirinderSingh,AssistantProfessor,PCTE 29. IMPORTANT PRACTICE PROBLEMS Q10: The mean weight of 150 students is 60 kg. The mean weight of boys is 70 kg with SD of 10 kg. The mean weight of girls is 55 kg with SD of 15 kg. small sized ps3 gamessmall sized reclining chairs in redWebTranscribed Image Text: The mean weight of 150 students in a class is 60 kg. The mean weight of boys in the class is 70 kg. and thạt of the girls is 55 kg. Find the number of girls in the class. highwater community collegeWebThe mean weight of 25 students of a class is 60 kg. If the mean weight of the first 13 students of the class is 57kg and that of the last 13 students is 63 kg, find the weight of … small sized refrigerators in india