Question

Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 464 randomly selected adults showed that 57​% of them would erase all of their personal information online if they could. Find the value of the test statistic. The value of the test statistic is

Answer 1

TEST STATISTIC = (STATISTIC - PARAMETER) / STANDARD DEVIATION OF STATISTIC)

PROPORTION DETAILS  

Z =( -Po )/SQRT(Po(1-Po)/n

IS A SAMPLE

Po IS POPULATION OF HYPOTHESIS

Po CLAIM > 0.50

Z = (0.59 - 0.50)/SQRT(0.50*(0.50)/464

Z = 3.02