When students leave out a digit when entering an expression into their calculator some students start all over and others use the insert function on their calculator to insert the missing digit. A manufacturer of graphing calculators thinks that 40% of Statistics students know how to use the "insert" feature on their calculator. To investigate, they select a random sample of 150 statistics students and learn that 45 know how to use the insert function on their calculator. Do the data provide convincing evidence at the a = 0.01 level that fewer than 40% of statistics students know how to use the insert function on their calculator? STATE: Ho: H₂: where =the of all statistics students who know how to use the insert function on their graphing calculator. The evidence for His PLAN: Drag each statement from the answer bank to the appropriate box. DO: p = True Statements Answer Bank False Statements Name of test: One-sample z test for p The Large Counts condition is not met. The Large Counts condition is met. n(1 Po) 105 ≥ 10 This is a random sample of 150 statistics students. Name of test: Two-sample z test for p₁ - P np=45≥10 npo 60≥10 The random condition is not met. (1-P)=90 ≥10 (Enter 3 decimal places) z= (Round to 2 decimal places) P-value= (Enter at least 4 decimal places) CONCLUDE: Because the P-value a = 0.01, we proportion of is 0.40. Ho. There convincing evidence that the who know how to use the insert function on their graphing calculator
When students leave out a digit when entering an expression into their calculator some students start all over and others use the insert function on their calculator to insert the missing digit. A manufacturer of graphing calculators thinks that 40% of Statistics students know how to use the "insert" feature on their calculator. To investigate, they select a random sample of 150 statistics students and learn that 45 know how to use the insert function on their calculator. Do the data provide convincing evidence at the a = 0.01 level that fewer than 40% of statistics students know how to use the insert function on their calculator? STATE: Ho: H₂: where =the of all statistics students who know how to use the insert function on their graphing calculator. The evidence for His PLAN: Drag each statement from the answer bank to the appropriate box. DO: p = True Statements Answer Bank False Statements Name of test: One-sample z test for p The Large Counts condition is not met. The Large Counts condition is met. n(1 Po) 105 ≥ 10 This is a random sample of 150 statistics students. Name of test: Two-sample z test for p₁ - P np=45≥10 npo 60≥10 The random condition is not met. (1-P)=90 ≥10 (Enter 3 decimal places) z= (Round to 2 decimal places) P-value= (Enter at least 4 decimal places) CONCLUDE: Because the P-value a = 0.01, we proportion of is 0.40. Ho. There convincing evidence that the who know how to use the insert function on their graphing calculator
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 42PFA
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