Question

Answers to the following questions should be calculated in Matiab and given to 4 decimal places. Be caretul not to introduce errors by rounding in any intermediate calculations as this may lead to an incorrect final answer ertain state. 300 urban residents were surveyed and and t was found that 57 were in tavour of Increasing the speed limit from 100 km/h to 110 h A survey of 180 rural residents rom the same state was also conducted and it was tound that 47 supp increasing the speed limit from 100 km/h to 110 kmm Let I be the proportion of residents in the urban population itavour of increasing the speed limit and let π be the proportion o esidents in the rural population. Tes e 5% level of sign cance, the pot ess : 1 (a) Give the value of z-statistic. (b) Find the P-value (C) Which of the following conclusions apply? 0 Accept H0 : 1-r2 0 Reject H0 : π1-π2

Answer 1

26 1.83