You sample 61 people to find out their annual salary, and find that the average is $38,000 with a standard deviation of $1,200. What is the 95% confidence interval for your sample mean? Keep three (3) decimal places on any intermediate calculations, and NONE (zero) on your final answer (round to whole numbers). Use proper mathematical rounding. When you submit your answer do not use commas or dollar signs in the answer. (_________, __________)

You sample 61 people to find out their annual salary, and find that the average is $38,000 with a standard deviation of $1,200. What is the 95% confidence interval for your sample mean? Keep three (3) decimal places on any intermediate calculations, and NONE (zero) on your final answer (round to whole numbers). Use proper mathematical rounding. When you submit your answer do not use commas or dollar signs in the answer. (_, __)

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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You measure 43 backpacks' weights, and find they have a mean weight of 65 ounces. Assume the population standard deviation is 9.3 ounces. Based on this, construct a 95% confidence interval for the true population mean backpack weight.Give your answers as decimals, to two places______ ± ________ounces
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