Mathematics, 25.02.2020 05:54, beccadrums
The life span at birth of humans has a mean of 88.37 years and a standard deviation of 18.88 years. Calculate the upper and lower bounds of an interval containing 95% of the sample mean life spans at birth based on samples of 135 people. Give your answers to 2 decimal places.
Answers: 2
Mathematics, 21.06.2019 17:20, tfyfejeje1739
The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6
Answers: 3
Mathematics, 22.06.2019 03:30, mamas4539p79bw7
Jack brought 12 pet monkeys. if each monkey cost $45.99, how much money did he spend in all?
Answers: 2
Mathematics, 22.06.2019 05:00, drastipatel18
Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?
Answers: 1
The life span at birth of humans has a mean of 88.37 years and a standard deviation of 18.88 years....
Mathematics, 21.04.2020 22:11
Mathematics, 21.04.2020 22:11