Answered step by step
Verified Expert Solution
Question
1 Approved Answer
The average height in a group of 200 persons is 170 cm. After one year, the height of some of them increased by 1
The average height in a group of 200 persons is 170 cm. After one year, the height of some of them increased by 1 cm, and that of remaining increased by 3 cm. The average height now became 171.4 cm. Of how many persons the height has increased by 3 cm? 1. 40 2. 75 3. 50 4. 100 5. 80
Step by Step Solution
★★★★★
3.59 Rating (152 Votes )
There are 3 Steps involved in it
Step: 1
Let height of T persons increased by 3 cm Heig...
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
John E Freunds Mathematical Statistics With Applications
Authors: Irwin Miller, Marylees Miller
8th Edition
978-0321807090, 032180709X, 978-0134995373
