Question

Sky packets managing director says with 95 percentage confidence that there has been a significant improvement in deliveries based on a sample of 81 deliveries out of which 6 were late .if in general 10 percentage of deliveries were late in the past . should managing directors statement be accepted?​

Answer 1

Answer:

packets managing director says with 95 percentage confidence that there has been a significant improvement in deliveries based on a sample of 81 deliveries out of which 6 were late .if in general 10 percentage of deliveries were late in the past.