No. Date An airline company wishes to know the proportion of business class travelers flying the kuala Lumpur to Hong Kong route. In a random sample of 3:50 passengers, 190 are business class passengers. a ) Determine the point estimate of the true proportion of business class passengers - ( 2 m ) b) Construct a 95%. confidence interval estimate of the average waiting time for all customers ( 1 m ) () construct a 99% conficlence interval estimate of the average waiting time for all customers . ( 7 m ) d ) Referring to ( b ) an ( 6 ) , what will happen to the width of confidence interval ( 4 m )