A botanist wishes to estimate the mean number of seeds for a certain fruit. She samples 18 specimens and finds the average number of seeds is 41 with a standard deviation of 17. Construct a 80% confidence interval for the mean number of seeds for the species. Round your answers to three decimal places, and use four decimal places for any interim calculations. We are 80% confident that the interval number of seeds for the species. Which conditions are required for the validity of the interval? Select all that apply. O Normal population O contains the true population mean μ of o known н known Random sample

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A botanist wishes to estimate the mean number of seeds for a certain fruit. She samples 18 specimens and
finds the average number of seeds is 41 with a standard deviation of 17. Construct a 80% confidence
interval for the mean number of seeds for the species. Round your answers to three decimal places, and
use four decimal places for any interim calculations.
We are 80% confident that the interval
number of seeds for the species.
contains the true population mean μ of
Which conditions are required for the validity of the interval? Select all that apply.
Normal population
o known
μ known
O Random sample
Transcribed Image Text:A botanist wishes to estimate the mean number of seeds for a certain fruit. She samples 18 specimens and finds the average number of seeds is 41 with a standard deviation of 17. Construct a 80% confidence interval for the mean number of seeds for the species. Round your answers to three decimal places, and use four decimal places for any interim calculations. We are 80% confident that the interval number of seeds for the species. contains the true population mean μ of Which conditions are required for the validity of the interval? Select all that apply. Normal population o known μ known O Random sample
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Step 1

Solution:

Given information:

n= 18 Sample size

x = 41 Sample standard deviation s= 17 Sample standard deviation 

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