Allen's hummingbird (Selasphorus sasin) has been studied by zoologist Bill Alther.t Suppose a small group of 11 Allen's hummingbirds has been under stuaverage weight for these birds is x =3.15 grams. Based on previous studies, we can assume that the weights of Allen's hummningbirds have a normal distro = 0.36 gram.When finding an 80% confidence interval, what is the critical value for confidence level? (Give your answer to two decimal places.)z,(a) Find an 80% confidence interval for the average weights of Allen's hummingbirds in the study region. What is the margin of error? (Round your answplaces.)lower limitupper limitmargin of error(b) What conditions are necessary for your calculations? (Select all that apply.)o is unknownuniform distribution of weightsn is largenormal distribution of weightso is known(c) Interpret your results in the context of this problem.We are 80% confident that the true average weight of Allen's hummingbirds falls within thisinterval.O The probability that this interval contains the true average weight of Allen's hummingbirds is0.80.OWe are 20% confident that the true average weight of Allen's hummingbirds falls within thisinterval.O The probability that this interval contains the true average weight of Allen's hummingbirds is0.20.

n=11, σ=0.36, x¯=3.15 Zcritical=ZC=Zα/2=1.28, at α=0.20 ( calculated from standard normal table)…

Allen's hummingbird (Selasphorus sasin) has been studied by zoologist Bill Alther.t Suppose a small group of 11 Allen's hummingbirds has been under st average weight for these birds is x = 3.15 grams. Based on previous studies, we can assume that the weights of Allen's hummingbirds have a normal dis o = 0.36 gram. When finding an 80% confidence interval, what is the critical value for confidence level? (Give your answer to two decimal places.) (a) Find an 80% confidence interval for the average weights of Allen's hummingbirds in the study region. What is the margin of error? (Round your ans places.) lower limit upper limit margin of error

Allen's hummingbird (Selasphorus sasin) has been studied by zoologist Bill Alther.t Suppose a small group of 11 Allen's hummingbirds has been under st average weight for these birds is x = 3.15 grams. Based on previous studies, we can assume that the weights of Allen's hummingbirds have a normal dis o = 0.36 gram. When finding an 80% confidence interval, what is the critical value for confidence level? (Give your answer to two decimal places.) (a) Find an 80% confidence interval for the average weights of Allen's hummingbirds in the study region. What is the margin of error? (Round your ans places.) lower limit upper limit margin of error

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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