Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Jun 21, 2024

A simple random sample of 20 items resulted in a sample mean of 70 . The population standard deviation is 20. a. Compute the 95%

A simple random sample of 20 items resulted in a sample mean of 70 . The population standard deviation is 20.

a. Compute the 95% confidence interval for the population mean. Round your answers to one decimal place.

b. Assume that the same sample mean was obtained from a sample of 110 items. Provide a 95%confidence interval for the population mean. Round your answers to two decimal places.

Step by Step Solution

There are 3 Steps involved in it

Step: 1

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

Recommended Textbook for

Differential Topology

Authors: Amiya Mukherjee

2nd Edition

3319190458, 9783319190457

More Books

Students also viewed these Mathematics questions

Question

★★★★★

A system has the characteristic equation q(s) = s3 + 10s2 + 29s + K = 0. Shift the vertical axis to the right by 2 by using s = sn - 2, and determine the value of gain K so that the complex roots are...

Answered: 1 week ago

Question

★★★★★

Bonds Issued at a Premium (Effective Interest) Cookie Dough Corporation issued $\$ 850,000$ in $9 \%, 10$-year bonds (payable on December 31 , 2028) on December 31, 2018, for $\$ 907,759$....

Answered: 1 week ago

Question

★★★★★

Describe challenges in the definition of specific populations in terms of conceptual and operational definitions, identifying a persons racial or ethnic status, identifying persons with a disability,...

Answered: 1 week ago

Question

★★★★★

Oceanview School, a private high school, is preparing a planned income statement for the coming academic year ending August 31, 2013. Tuition revenues for the past two years ending August 31 were as...

Answered: 1 week ago

Question

★★★★★

A bond pays zero coupons and has face value 1000 . The bond has exactly two years until it matures and has a yield to maturity of 6.4%. Assume that the price of this bond equals 883.32. What is the...

Answered: 1 week ago

Question

★★★★★

Pro forma income statement the marketing department of Metroline Manufacturing estimates that its sales in 2020 will be $1.65 million. Interest expense is expected to remain unchanged at $35,000, and...

Answered: 1 week ago

Question

★★★★★

Charles had been drinking heavily and had an argument with his ex-girlfriend. He threatened to burn her house down. A short time later he set fire to some cardboard boxes on the porch, causing...

Answered: 1 week ago

Question

★★★★★

A company produces three products, Y1, Y2, and Y3 in the same process.The data below reflects average monthly results: Y1 Y2 Y3 Monthly output (kg) 40,000 20,000 20,000 Sales Value at split off...

Answered: 1 week ago

Question

★★★★★

By implementing the JIT system, a pull system technique will be used to ensure a smooth flow on the factory floor. JIT system implementation requires more than just the production floor; it also...

Answered: 1 week ago

Question

★★★★★

You will apply operations management ideas to real-world scenarios in this exercise. This course will allow you to start constructing an operation management strategy by writing a paper on a company...

Answered: 1 week ago

Question

★★★★★

X-Corp. uses first in first out for its process costing Materials are issued 100% when work order is created Beginning WIP: conversion costs 50% complete Ending WIP : conversion costs 30% complete...

Answered: 1 week ago

Question

★★★★★

E. You have been working a P.Eng. for several years now, and you ant to start your own engineering firm. What do you need to do

Answered: 1 week ago

Question

★★★★★

11. Give two examples of each of the following heuristic assessment mechanisms. a) We use the information that is currently accessible. b) We assume an initial anchor point (value). c) We compare to...

Answered: 1 week ago

Question

★★★★★

4. Give an example of how the consistency principle can be used to influence others.

Answered: 1 week ago

Question

★★★★★

6. Give an example of how the liking principle can be used to influence others.

Answered: 1 week ago

Previous Question Next Question