Statistics questions

Statistics
Tutor: None Selected Time limit: 1 Day

Apr 11th, 2015

P hat = 153/324 = 0.472

Standard error = sqrt (0.472*0.528/324)=0.028

Table value for 85% =1.44

Margin of error= 1.44*0.028= 0.04

For the people who did not pass out

Lower limit = 0.472-0.04 = 0.432

Upper limit = 0.472+0.04 =0.512

For the people who pass out

Lower limit = 0.528 -0.04 =0.488

Upper limit =0.528-0.04 =0.568

Apr 11th, 2015

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Apr 11th, 2015
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Apr 11th, 2015
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