Text Text A software development company claims that their new algorithm can accurately predict errors in code 60% of the time. The quality assurance team believes the accuracy is lower. In a sample of 550 code assessments, 275 were correctly predicted by the algorithm. Test this hypothesis at the 10% significance level. Perform the following steps of hypothesis testing and draw a conclusion. z and t tables ation Text 1. State the hypothesis: Copy and paste these symbols if needed: < >, ,* and do NOT type units. Но 2. Type of test: [1 Text A H₂: Text A -tailed test (fill in the blank using left, right, or two, 3. Find the critical value(s). Copy, paste and use ± if needed. Type only value. For example, 1.23 Text Text AJ A Text Text 4. Test statistic or test value rounded to two decimal places. Type value only, for example, 1.23 viest

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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A software development company claims that their new algorithm can accurately
predict errors in code 60% of the time. The quality assurance team believes the
accuracy is lower. In a sample of 550 code assessments, 275 were correctly
predicted by the algorithm. Test this hypothesis at the 10% significance level.
Perform the following steps of hypothesis testing and draw a conclusion.
z and t tables
z Information
Text
1. State the hypothesis:
Copy and paste these symbols if needed: <, >, , * and do NOT type units.
Ho
A H₂:
2. Type of test: [1 Text
Text
A
3. Find the critical value(s). Copy, paste and use ± if needed. Type only value. For
example, 1.23
Text
Text
-tailed test (fill in the blank using left, right, or two,
Text
A
4. Test statistic or test value rounded to two decimal places. Type value only, for
example, 1.23
Text
Text
or Fail to reject.
M
Transcribed Image Text:-- - Text Text A software development company claims that their new algorithm can accurately predict errors in code 60% of the time. The quality assurance team believes the accuracy is lower. In a sample of 550 code assessments, 275 were correctly predicted by the algorithm. Test this hypothesis at the 10% significance level. Perform the following steps of hypothesis testing and draw a conclusion. z and t tables z Information Text 1. State the hypothesis: Copy and paste these symbols if needed: <, >, , * and do NOT type units. Ho A H₂: 2. Type of test: [1 Text Text A 3. Find the critical value(s). Copy, paste and use ± if needed. Type only value. For example, 1.23 Text Text -tailed test (fill in the blank using left, right, or two, Text A 4. Test statistic or test value rounded to two decimal places. Type value only, for example, 1.23 Text Text or Fail to reject. M
Text
5. Make the decision: Type Reject or Fail to reject.
A the null hypothesis Ho
Text
Text
6. Summarize the results:
Type enough or not enough in the first blank, and support, or reject in the second
blank.
Therefore, there is
Text
A the given claim.
A evidence to
(Fill in the blank with enough or not enough, and support, or reject)
inns saved
Transcribed Image Text:Text 5. Make the decision: Type Reject or Fail to reject. A the null hypothesis Ho Text Text 6. Summarize the results: Type enough or not enough in the first blank, and support, or reject in the second blank. Therefore, there is Text A the given claim. A evidence to (Fill in the blank with enough or not enough, and support, or reject) inns saved
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