What are H0 and Ha   Calculate d   Calculate sd   Find standardized test statistic   Calculate P value   __ the results ___ the same thing as using the critical value approach. ____ the null hypothesis. There _____ enough evidence to ____ the claim that pass completion percentages have ______.

PREALGEBRA
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ISBN:9781938168994
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Chapter5: Decimals
Section5.5: Averages And Probability
Problem 400E: The cash register receipts each day last week at a coffee shop were $1,845. $1,520. $1,438, $1,682,...
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What are H0 and Ha

 

Calculate d

 

Calculate sd

 

Find standardized test statistic

 

Calculate P value

 

__ the results ___ the same thing as using the critical value approach. ____ the null hypothesis. There _____ enough evidence to ____ the claim that pass completion percentages have ______.

The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore seasons are shown in the table below. At a = 0.05, is there enough evidence to support the claim that the pass completion percentages have
changed? Complete parts (a) through (e) below.
Player
Completion percentage 67.3 62.1 57.8 61.0 62.5 50.0 59.0 64.1 54.4 58.2
(freshman)
Completion percentage
[(sophomore)
123 4
5
678 9 10 9
66.9 56.1 64.1 61.6 61.1 58.2 64.2 63.1 55.6 60.6
(a) Identify the claim and state Hg and Ha-
What is the claim?
O A. The pass completion percentages have changed.
O B. The pass completion percentages have not changed.
OC. The pass completion percentages have increased.
OD. The pass completion percentages have decreased.
Transcribed Image Text:The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore seasons are shown in the table below. At a = 0.05, is there enough evidence to support the claim that the pass completion percentages have changed? Complete parts (a) through (e) below. Player Completion percentage 67.3 62.1 57.8 61.0 62.5 50.0 59.0 64.1 54.4 58.2 (freshman) Completion percentage [(sophomore) 123 4 5 678 9 10 9 66.9 56.1 64.1 61.6 61.1 58.2 64.2 63.1 55.6 60.6 (a) Identify the claim and state Hg and Ha- What is the claim? O A. The pass completion percentages have changed. O B. The pass completion percentages have not changed. OC. The pass completion percentages have increased. OD. The pass completion percentages have decreased.
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