Survey of Computer Crime showed that 20 out of a sample of 100 were unauthorized

Question

Survey of Computer Crime showed that 20 out of a sample of 100 were unauthorized uses of business websites within the company. Let p represent the true proportion of unauthorized uses of business websites within the company. Conduct a test to determine whether the true value of p differs from .07. a=0.1

Calculate the point estimate for p:


State the hypothesis:

H0 : p (<, >,=, not equal,>=,<=) 0.7

Ha : p (<, >,=, not equal,>=,<=) 0.7

The Calculated test statistics is equal to      

(You must write your answer with 3 decimals (example: 0.123 or 1.234)).

Reach conclusion:

if you choose to reject H0

 if you choose NOT to reject H0

Explanation / Answer

Calculate the point estimate for p: 20/100 = 0.20 State the hypothesis: H0 : p = 0.07 Ha : p not equal 0.07 The Calculated test statistics is equal to z = (0.20-0.07)/sqrt(0.07*0.93/100) = 5.095 choose to reject H0

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