Question 7 A researcher wishes to estimate the average height of trees in a geographic region. If the population standard deviation is known to be 30 inches, what should the sample size be so that the...

correct answer asapQuestion 7<br>A researcher wishes to estimate the average height of trees in a geographic region. If<br>the population standard deviation is known to be 30 inches, what should the sample<br>size be so that the length of the 90% confidence interval does not exceed 2 inches?<br>2436<br>O 2428<br>O 2431<br>O2450<br>O 2443<br>

Extracted text: Question 7 A researcher wishes to estimate the average height of trees in a geographic region. If the population standard deviation is known to be 30 inches, what should the sample size be so that the length of the 90% confidence interval does not exceed 2 inches? 2436 O 2428 O 2431 O2450 O 2443

Jun 08, 2022
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