Mathematics, 13.05.2021 17:50 kevingilbert1210
Ou are trying to estimate the average amount a family spends on food during a year. In the past, the standard deviation of the amount a family has spent on food during a year has been σ = $1200. If you want to be 99% sure that you have estimated average family food expenditures within $60, how many families do you need to survey? Place your answer, a whole number, do not use any decimals, in the blank___.
Answers: 3
Mathematics, 21.06.2019 20:30
Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?
Answers: 1
Mathematics, 21.06.2019 21:00
Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%
Answers: 1
Ou are trying to estimate the average amount a family spends on food during a year. In the past, the...
Mathematics, 16.10.2020 17:01
Mathematics, 16.10.2020 17:01
Mathematics, 16.10.2020 17:01
Computers and Technology, 16.10.2020 17:01
Mathematics, 16.10.2020 17:01
Mathematics, 16.10.2020 17:01
Mathematics, 16.10.2020 17:01
History, 16.10.2020 17:01
Chemistry, 16.10.2020 17:01
Physics, 16.10.2020 17:01