use p-value and z-test for hypotheses testing currently, the fastest rat killer chemical (chemical A) kills a rat in an average time of 4 seconds. another scientist believes that his chemical kills faster than the previous one. so, he conducted a study and the results are as follows: the standard deviation is 0.78 and the alpha is 0.05 (n=30)

use p-value and z-test for hypotheses testing currently, the fastest rat killer chemical (chemical A) kills a rat in an average time of 4 seconds. another scientist believes that his chemical kills faster than the previous one. so, he conducted a study and the results are as follows: the standard deviation is 0.78 and the alpha is 0.05 (n=30)

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.CT: Chapter Test

Problem 16CT: How many six-digit license plates can be made if no plate begins with 0 or 1?

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Question

use p-value and z-test for hypotheses testing

currently, the fastest rat killer chemical (chemical A) kills a rat in an average time of 4 seconds. another scientist believes that his chemical kills faster than the previous one. so, he conducted a study and the results are as follows:

the standard deviation is 0.78 and the alpha is 0.05 (n=30)