A well-known brokerage firm executive claimed that at least 36 % of investors are currently confident of meeting their investment goals. An XYZ Investor Optimism Survey, conducted over a two week period, found that out of 144 randomly selected people, 48 of them said they are confident of meeting their goals. Suppose you are have the following null and alternative hypotheses for a test you are running: H0:p=0.36 Ha:p<0.36 Calculate the test statistic, rounded to 3 decimal places z=
A well-known brokerage firm executive claimed that at least 36 % of investors are currently confident of meeting their investment goals. An XYZ Investor Optimism Survey, conducted over a two week period, found that out of 144 randomly selected people, 48 of them said they are confident of meeting their goals. Suppose you are have the following null and alternative hypotheses for a test you are running: H0:p=0.36 Ha:p<0.36 Calculate the test statistic, rounded to 3 decimal places z=
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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A well-known brokerage firm executive claimed that at least 36 % of investors are currently confident of meeting their investment goals. An XYZ Investor Optimism Survey, conducted over a two week period, found that out of 144 randomly selected people, 48 of them said they are confident of meeting their goals.
Suppose you are have the following null and alternative hypotheses for a test you are running:
H0:p=0.36
Ha:p<0.36
Calculate the test statistic, rounded to 3 decimal places
z=
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