Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Please help on 4 and 5 Question 4 Go/1 pt 9 10 99 @ Details You must estimate the mean temperature (in degrees Fahrenheit) with

Please help on 4 and 5

image text in transcribed
Question 4 Go/1 pt 9 10 99 @ Details You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: 66.9 79.6 42.7 69.8 64.8 75.2 53.5 73.2 107.5 92.7 Find the 90% confidence interval. Enter your answer as an open-interval (i. e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place). 90% C.I. = Answer should be obtained without any preliminary rounding. Question Help: Video Submit Question Question 5 0/1 pt 9 10 99 @ Details SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are interested in estimating the average SAT score of first year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 25 points, how many students should you sample? Make sure to give a whole number answer. Question Help: Video Submit

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

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

Introduction To Probability Models

Authors: Sheldon M Ross

10th Edition

0123756863, 9780123756862

More Books

Students also viewed these Mathematics questions

Question

2. What we can learn from the past

Answered: 1 week ago

Question

2. Develop a good and lasting relationship

Answered: 1 week ago