Mathematics, 12.04.2021 20:00 KnMcdonaldk93906
Here are the tips of 25 randomly selected patrons, measured in percent of total bill. 20.8 18.7 19.9 20.6 21.9 23.4 22.8 24.9 22.2 20.3 24.9 22.3 27.0 20.4 22.2 24.0 21.1 22.1 22.0 22.7 19.1 20.6 22.3 22.0 29.4 The standard deviation of tips is known to be 2.5. a) What is the 94% confidence interval for the mean tip of patrons if the distribution of tips is approximately Normal? b) What is the 98% confidence interval for the mean tip of patrons if the distribution of tips is unknown?
Answers: 1
Mathematics, 21.06.2019 17:00
How to solve a simultaneous equation involved with fractions?
Answers: 1
Mathematics, 21.06.2019 17:30
What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?
Answers: 2
Mathematics, 21.06.2019 19:30
Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?
Answers: 2
Mathematics, 21.06.2019 19:30
Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*
Answers: 2
Here are the tips of 25 randomly selected patrons, measured in percent of total bill. 20.8 18.7 19.9...
History, 20.01.2020 13:31
Chemistry, 20.01.2020 13:31
Social Studies, 20.01.2020 13:31
Mathematics, 20.01.2020 13:31
Mathematics, 20.01.2020 13:31
English, 20.01.2020 13:31
History, 20.01.2020 13:31
Geography, 20.01.2020 13:31
Physics, 20.01.2020 13:31
Mathematics, 20.01.2020 13:31
History, 20.01.2020 13:31
Mathematics, 20.01.2020 13:31