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Question
Submitted by Dadato on Thu, 2012-07-19 20:33
due on Sat, 2012-07-21 20:30
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HWK

Please can anyone help me with my homework?

Thanks!

Koku

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Submitted by StatSolver on Fri, 2012-07-20 13:29
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Please see the attachment for solution.

body preview (33 words)

xxxxxx see xxx attachment for solution. xx xxx xxxx xxx xxxxxxx clarification please xxx me. The answers xxx given xx the word document and xxx xxxxxxxxxxxx xxx xxxxx xx xxx Excel xxxxx Thanks.

file1.doc preview (3291 words)

xxx xxxx and alternative xxxxxxxxxx are giving. Determine xxxxxxx the xxxxxxxxxx xx left xxxxxxx xxxxx tailed; xx two tailed. xxxx xxxxxxxxx xx being tested?

H0: p= xxxxx

xxxx> 0.76

xxxxx the correct xxxxxx xxxxxx

x Left xxxxxxx

xxxxxx xxxxxxx

xxxx xxxxxxx

xxxx parameter is xxxxx xxxxxxxx

xxxxxxx

xxµ

c-p

xxxx xxx hypothesis xxxxx xxx xxxxxxxxx approach xxx xxx xxxxxxx approach.

H0: p=0.45 versus xxx x<xxxxx

xxxxxx x=62, a=0.05

xxxxxxx xxx xxxx using xxx classical xxxxxxxxx choose xxx correct answer below.

_Reject xxx xxxx xxxxxxxxxxx

_There xx xxx xxxxxx information xx test the xxxxxxxxxxx

_Do not xxxxxx xxx null hypothesis

Answer: Do xxx reject xxx null hypothesis

xxxxxxx xxx xxxx using xxxxxxx xxxxxxxxxx

xxxxxxx =…xxxxxx…. (Round to four xxxxxxx xxxxxx as xxxxxxxx

xxxxxx the correct xxxxxx xxxxxxx

_ xxxxxx the null xxxxxxxxxxx

xxxxxx xx xxx xxxxxx xxxxxxxxxxx xx xxxx the hypothesis

xxx not xxxxxx the xxxx xxxxxxxxxx

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file2.xls preview (724 words)

xx

xxxxxxxxxxxxxx
 Z Test of Hypothesis for the xxxxxxxxxx xxxx xxxx xxxxxxxxxx p= 0.45 Level of Significance xxxx Number xx Successes 62 Sample xxxx 150 xxxxxxxxxxxx Calculations Sample Proportion 0.4133333333 Standard Error 0.040620192 Z xxxx xxxxxxxxx xxxxxxxxxxxxx Lower-Tail Test xxxxx xxxxxxxx Value -1.6449 p-Value 0.1834 xx xxx xxxxxx the xxxx xxxxxxxxxx

xx

xxxxxx
 xxxxxx Size xxxxxxxxxxxxx xxxx xxxxxxxx xx xxxx xxxxxxxxxx xxxx xxxxxxxx Error 0.02 xxxxxxxxxx xxxxx 94% xxxxxxxxxxxx xxxxxxxxxxxx Z Value -1.8807926501 Calculated xxxxxx Size xxxxxxxxxxxxxxx Result Sample Size Needed 2210

xx

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 Confidence xxxxxxxx Estimate xxx xxx xxxx xxxxxxxxxx Interval Estimate for the xxxx xxxxxxxxxx xxxxxxxx xxxxxxxx xxx the Mean xxxx xxxx Data Sample Standard Deviation 10 xxxxxx xxxxxxxx Deviation xx Sample xxxxxxxx xxxxxxxxx xx Sample xxxx 107 Sample xxxx 107 xxxxxx xxxx 107 Sample Size xx Sample xxxx xx xxxxxx Size 14 Confidence Level xxx xxxxxxxxxx xxxxx xxx Confidence xxxxx 96% xxxxxxxxxxxx xxxxxxxxxxxx Intermediate Calculations Intermediate xxxxxxxxxxxx xxxxxxxx Error xx xxx xxxx xxxxxxxxxxxx xxxxxxxx xxxxx of the Mean 1.9611613514 Standard xxxxx of xxx xxxx 2.6726124191 Degrees xx xxxxxxx 13 Degrees xx xxxxxxx 25 Degrees of xxxxxxx xx x Value xxxxxxxxxxxx t xxxxx xxxxxxxxxxxx t Value 2.2816038836 xxxxxxxx Half xxxxx 5.7738269877 Interval xxxx xxxxx xxxxxxxxxxxx Interval Half xxxxx 6.0978428748 Confidence

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