Suppose that you go to a NJ lake to grab water samples to test algal concentrations using a cell counter. That instrument is certified to have a minimum detectable relative difference of 10%. The water sample testing result shows that the mean algal number is 1500 #/ml with a standard deviation of 250 #/ml. Roughly how many samples are required at least to be collected at a confidence level of 95% and power of 90%? O 5 O 10 O 15 O 21

Suppose that you go to a NJ lake to grab water samples to test algal concentrations using a cell counter. That instrument is certified to have a minimum detectable relative difference of 10%. The water sample testing result shows that the mean algal number is 1500 #/ml with a standard deviation of 250 #/ml. Roughly how many samples are required at least to be collected at a confidence level of 95% and power of 90%? O 5 O 10 O 15 O 21

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter7: Analytic Trigonometry

Section7.6: The Inverse Trigonometric Functions

Problem 94E

See similar textbooks