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Claim: most adults would a race all of their personal information online if they

ID: 3044195 • Letter: C

Question

Claim: most adults would a race all of their personal information online if they could. A software firm survey of 628 randomly selected adult show that 61% of them would a race all of their personal information online if they cut. Find the value of the test statistic. Claim: most adults would a race all of their personal information online if they could. A software firm survey of 628 randomly selected adult show that 61% of them would a race all of their personal information online if they cut. Find the value of the test statistic.

Explanation / Answer

We have been given the size of random variable, n = 628

We also have been given the proportion that would race all of thier personal info online if they cut = .61

The test statistic

= Z

= sqrt( p * p'/n)

= sqrt( .61*.39/628)

= 0.0195