Mathematics, 21.04.2020 16:54 LlayahHarbin
A department store wants to know what fraction of its customers in a certain market have store credit cards, and what their average balance might be. Of the 120 customers surveyed, 30 had store credit cards. Amongst those customers, the average balance was $600, with a sample standard deviation of $80. Find the 98% confidence interval for the average credit card balance. ( , ) Round your answers to two decimal places.
Answers: 3
Mathematics, 21.06.2019 16:00
Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step
Answers: 2
Mathematics, 21.06.2019 17:00
In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.
Answers: 2
Mathematics, 21.06.2019 17:00
What properties allow transformation to be used as a problem solving tool
Answers: 2
Mathematics, 21.06.2019 23:30
Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?
Answers: 3
A department store wants to know what fraction of its customers in a certain market have store credi...
Arts, 07.07.2021 08:30
Chemistry, 07.07.2021 08:30
Mathematics, 07.07.2021 08:30
Mathematics, 07.07.2021 08:40
English, 07.07.2021 08:40
Geography, 07.07.2021 08:40
Arts, 07.07.2021 08:40
Physics, 07.07.2021 08:40
Mathematics, 07.07.2021 08:40
Mathematics, 07.07.2021 08:40
English, 07.07.2021 08:40
Advanced Placement (AP), 07.07.2021 08:40
Mathematics, 07.07.2021 08:40
Mathematics, 07.07.2021 08:40
Business, 07.07.2021 08:40