Mathematics, 23.12.2020 01:00, carethegymnast8954
A researcher wants to estimate the mean commute time of residents in Westchester County. The researcher samples 40 commuters and find the mean commute time to be 25 minutes. Assume the population standard deviation for commute time is 12.5 minutes. Construct a 90% confidence interval for the mean commute time of residents in Westchester County. What is the Lower Bound of the confidence interval
Answers: 2
Mathematics, 21.06.2019 16:30, leenzazou98241
The average human heart beats 1.15 \cdot 10^51.15â‹…10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65â‹…10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.
Answers: 1
Mathematics, 21.06.2019 21:30, thompsonmark0616
Find the domain and range of the following function f(x) = 51x - 21+ 4
Answers: 2
Mathematics, 21.06.2019 22:00, mairadua14
To decrease an amount by 16% what single multiplier would you use
Answers: 1
A researcher wants to estimate the mean commute time of residents in Westchester County. The researc...
English, 25.03.2020 04:59