A catalog sales company promises to deliver orders placed on the Internet within 3 days. Follow-up calls to a few randomly sele

Question

3 years ago

10

A catalog sales company promises to deliver orders placed on the Internet within 3 days. Follow-up calls to a few randomly sele

cted customers show that a 95% confidence interval for the proportion of all orders that arrive on time is 70%±88%.
A. What does this mean? For each conclusion, state whether it is correct or not and explain why. Complete parts a through e below.
B. Between 62% and 78% of all orders arrive on time. State whether the conclusion is correct or not and explain why. Choose the correct answer below.

Mathematics

1 answer:

Tju [1.3M] · Answer 1 · 2022-03-19T15:10:53+03:00

Tju [1.3M]3 years ago

3 0

Answer:B. Between 62% and 78% of all orders arrive on time. State whether the conclusion is correct or not and explain why. Choose the correct answer below.

Step-by-step explanation:

A catalog sales company promises to deliver orders placed on the Internet within 3 days.​ Follow-up calls to a few randomly sele

A catalog sales company promises to deliver orders placed on the Internet within 3 days. Follow-up calls to a few randomly sele