Search for: A variable X takes values 0, 2, 4, 6 ….,2n with frequencie nC0,nC1,nC2,…,nCn respectively. If the mean of this data is 7282n, then n is equal to A variable X takes values 0, 2, 4, 6 ….,2n with frequencie nC0,nC1,nC2,…,nCn respectively. If the mean of this data is 7282n, then n is equal to Fill Out the Form for Expert Academic Guidance!l Grade ---Class 1Class 2Class 3Class 4Class 5Class 6Class 7Class 8Class 9Class 10Class 11Class 12 Target Exam JEENEETCBSE +91 Preferred time slot for the call ---9 am10 am11 am12 pm1 pm2 pm3 pm4 pm5 pm6 pm7 pm8pm9 pm10pm Please indicate your interest Live ClassesBooksTest SeriesSelf Learning Language ---EnglishHindiMarathiTamilTeluguMalayalam Are you a Sri Chaitanya student? NoYes Verify OTP Code (required) I agree to the terms and conditions and privacy policy. Solution:It is given that 0⋅nC0+2⋅nC1+4⋅nC2+…+2n⋅nCn nC0+nC1+nC2+…+nCn=7282n⇒∑r=1n nCr⋅2r∑r=1n nCr=7282n⇒∑r=0n nCr2r−12n=7282n⇒(1+2)n−12n=7282n⇒3n−1=729⇒3n=729⇒3n=36⇒n=6 Related content Nucleus Diagram for Class 9 Neuron Diagram Class 9 Human Heart Diagram Class 10 CBSE Class 7 Science Chapter 1 Nutrition in Plants MCQ Questions with Answers CBSE Class 9 English Worksheet – The Road not Taken 50+ GK Questions and Answers for Class 8 “Kabir Ki Sakhiyan” MCQ Questions for Class 9 Hindi with Answers Kshitij, Kritika, Sparsh, Sanchayan Bhag 1 CBSE Class 7 English Honeycomb Chapter 1 Three Questions MCQ Questions with Answers CBSE Class 9 English Beehive Book Poem 1 The Road Not Taken MCQ Questions with Answers MCQs Questions with Answers for Class 9 English Chapter 1 The Fun They Had