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
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Transcribed Image Text: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
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