Question
Question 6, 8.2.8
HW Score 4z.ulw, or or poinis
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Partzot5
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In a newspaper’s survey of 467 people,
Test Statistic z: 0.7867
Critical z:
P-vatre 0.4315
a. Is the test two-tailed, lef-tailed, or night-tailed?
Choose the correct answer below.
nvo-tailed
night-tailed
left-tailed
b. What is the test statistic?
(Round to two decimal places as needed.)
HW Score 4z.ulw, or or poinis
Save
Partzot5
Points: 0 of 1
Test Statistic z: 0.7867
Critical z:
P-vatre 0.4315
a. Is the test two-tailed, lef-tailed, or night-tailed?
nvo-tailed
night-tailed
left-tailed
b. What is the test statistic?
(Round to two decimal places as needed.)
Ask by Ellis Malone. in the United States
Mar 21,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
(a) The test is two-tailed.
(b) The test statistic is
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Mind Expander
In a survey of public opinion on security measures, researchers often employ statistical testing to validate claims, including the popular debate around replacing passwords with biometrics. This conversation taps into historical advancements in technology—from the humble beginnings of passwords in the early days of computing to cutting-edge biometric systems today, making us ponder how far we’ve come!
In real-world applications, statistical tests like the one you’re working on guide important decisions. Businesses must often choose between traditional methods and innovative alternatives. For instance, understanding public sentiment on biometric security can shape how companies design their authentication processes, impacting everything from online banking to personal devices. So, your analysis here isn’t just an academic exercise; it has tangible implications for security in our digital lives!
