Latasha is a waitress at Seventh Heaven Hamburgers. She wants to estimate the mean amount each group at a table leaves for a tip

Question

3 years ago

10

Latasha is a waitress at Seventh Heaven Hamburgers. She wants to estimate the mean amount each group at a table leaves for a tip

. A random sample of 42 tables had a mean of = $7.30. Based on long term experience, s ≈ $2.92. Find a 90% confidence interval for the average amount left by all groups..

Mathematics

1 answer:

elena55 [62] · Answer 1 · 2022-01-22T00:48:31+03:00

elena55 [62]3 years ago

3 0

Forgive me if this is wrong. I haven't done stat in a year, but comment if you need clarification!