Question: Can someone help me solve it? I need help with this question?Your boss tells you that she knows the length of the widgets your company

Can someone help me solve it?

I need help with this question?Your boss tells you that she knows the length of the widgets your company makes is normally distributed with a mean of 25 inches and a population standard deviation of 12 inches. You take samples of size 9 from finished widgets in the warehouse, in order to check for quality.

Round your answers to 4 decimal places.

a) What is the probability that your sample mean will be longer than 30 inches?

The probability is

b) What is the probability that your sample mean will be between 21 and 29 inches?

The probability is

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

PLEASE ANSWER THE QUESTIONS IN THE LAST PHOTO. THANKS! BALANCING VALUES: AN INDIAN PERSPECTIVE ON CORPORATE VALUES FROM SCANDINAVIA By Martine Cardel Gertsen and Mette Zolner ACT 1 Bangalore, 17...

Please read and answer the question from Act 1, then Act 2 and finally questions 1-3. So in total, it's 5 questions. Thank you. ACT 1 our employees, regardless of the position, to leam continuously...

A vendor is recommending a program to make supervisors better at 'dealing with difficult conversations' at work. How would you apply the concepts of optimisation and the Kirkpa- trick model to set up...

1 2.3 Definition of a Discrete Probability Function Definition: Let S be a discrete sample space from some experiment. A function P, defined on all events in S, is said to be a probability function...

Describe one specific section which surprised you. Explain the concept that was surprising and explain why I Self-Management Copyright 2007. Arnacorn. All rights reserved. Selfmanagement happens when...

Please read the question Question: Choose one of the teaching strategies from the article that you read 1. What is the teacher is trying to accomplish by using this technique? (That is, what's the...

Is it possible to estimate the ROI of training for all training programs? Which are more or less susceptible to this calculation? 6 TRAINING AND DEVELOPMENT CFO asks CEO, 'What happens if we invest...

Please read the question Question: Choose another different one of the teaching strategies from the article that you read 1. What is the teacher is trying to accomplish by using this technique? (That...

BCO 313: Negotiation at Work Anne Dwyer: a.dwyer@euruni.edu Negotiation at Work \"Managers and executives negotiate constantly over issues as varied as hiring decisions and purchases, corporate...

Write a program to calculate gross salary of an employee, given his basic pay (to be entered by the user), HRA=10% of the basic pay, TA=5% of the basic pay.

A company produces and sells a single product. The company's total fixed costs are $40,000 per year. The selling price of the product is $50, and the variable cost per unit is $30. The company...

AreaIf the overhead variance is immaterial, it will be allocated among the ending balances of Work in Process, Finished Goods, and Cost of Goods Sold.

A company issues 1,050 shares of its common stock for $33,600 cash. Prepare journal entries to record this event under each of the following separate situations.