You are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of 30bacteria reveals a sample mean of 76 hours with a standard deviation of s = 5.6 hours. You would liketo estimate the mean lifespan for this species of bacteria to within a margin of error of 0.45 hours at a 90%level of confidence.What sample size should you gather to achieve a 0.45 hour margin of error? Round your answer up to thenearest whole number.n =bacteriaQuestion Help: D Video=Submit Question

margin of error : E = 0.4590% confidence interval for μ.n = ?σ = 5.6

Answered: You are a researcher studying the…

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 are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of 30 bacteria reveals a sample mean of = 66 hours with a standard deviation of s = 6.6 hours. You would like to estimate the mean lifespan for this species of bacteria to within a margin of error of 0.75 hours at a 95% level of confidence. %3D What sample size should you gather to achieve a 0.75 hour margin of error? Round your answer up to the nearest whole number. bacteria = u > Next Question MacBook Pro
You are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of 35 bacteria reveals a sample mean of = 76 hours with a standard deviation of s = 7 hours. You would like to estimate the mean lifespan for this species of bacteria to within a margin of error of 0.55 hours at a 90% level of confidence. What sample size should you gather to achieve a 0.55 hour margin of error? Round your answer up to the nearest whole number. n = bacteria
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You are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of 30 bacteria reveals a sample mean of a = 64 hours with a standard deviation of s = 4.4 hours. You would like to estimate the mean lifespan for this species of bacteria to within a margin of error of 0.6 hours at a 99% level of confidence. What sample size should you gather to achieve a 0.6 hour margin of error? Round your answer up to the nearest whole number. bacteria Question Help: Video Message instructor Submit Question Jump p Answer
You are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of 40 bacteria reveals a sample mean of ¯x=78x¯=78 hours with a standard deviation of s=4.4s=4.4 hours. You would like to estimate the mean lifespan for this species of bacteria to within a margin of error of 0.45 hours at a 99% level of confidence. What sample size should you gather to achieve a 0.45 hour margin of error? Round your answer up to the nearest whole number. n = bacteria
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