Two owners of a cattle ranch, Robert and Val, want to find the average weight for the ranch’s 200 cows. Instead of weighing all of the cows:Robert weighs 25 cows and gets an average weight of 1,550 pounds (stdev = 50)Val weighs 100 cows and gets an average weight of 1,380 pounds (stdev = 50) What is Val’s margin of error, rounded to the nearest whole number? (The formula is 1.96 (std dev) / 2.45 1.01 3.92 9.80

Given Data : Sample Size, n = 100.0 Sample Mean, x̄ = 1380.0 standard…

Answered: What is Val’s margin of error, rounded…

What is Val’s margin of error, rounded to the nearest whole number? (The formula is 1.96 (std dev) / 2.45 1.01 3.92 9.80

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

Two owners of a cattle ranch, Robert and Val, want to find the average weight for the ranch’s 200 cows. Instead of weighing all of the cows:

Robert weighs 25 cows and gets an average weight of 1,550 pounds (stdev = 50)
Val weighs 100 cows and gets an average weight of 1,380 pounds (stdev = 50)

What is Val’s margin of error, rounded to the nearest whole number? (The formula is 1.96 (std dev) /

2.45
1.01
3.92
9.80

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