Evaluate the formula z= x−μ σ n when μ=119, n=29, x=116, and σ=9.

QAmmunity.org

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

asked Apr 17, 2022 194k views

0 votes

Evaluate the formula z=
x−μ
σ
n when μ=119, n=29, x=116, and σ=9.

Mathematics
high-school

SSH asked

by SSH

3.7k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

6 votes

Answer: -1.795

Work Shown:

$z = \frac{\overline{x}-\mu}{(\sigma)/(√(n))}\\\\z = (116-119)/((9)/(√(29)))\\\\z \approx (-3)/((9)/(5.3851648))\\\\z \approx (-3)/(1.671258)\\\\z \approx -1.795055\\\\z \approx -1.795\\\\$

Eric Ipsum answered Apr 23, 2022

by Eric Ipsum

3.5k points

0 Comments

Please log in or register to add a comment.

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.6m questions

4.6m answers

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Answer: -1.795

0 Comments

Please log in or register to add a comment.

Other Questions