Mathematics, 02.01.2021 05:20, Champion9701
A zookeeper took a random sample of 30 days and observed how much food an elephant ate on each of those days. The sample mean was 350 kg and the sample standard deviation was 25 kg. Find the 95% confidence interval for how much food the elephant eats.
Answers: 1
Mathematics, 21.06.2019 18:50, kristaaune2374
The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3
Answers: 1
Mathematics, 21.06.2019 20:00, chantelporter713
Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line
Answers: 1
Mathematics, 22.06.2019 00:30, tremainecrump1466
Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
Answers: 2
A zookeeper took a random sample of 30 days and observed how much food an elephant ate on each of th...
Mathematics, 07.05.2020 11:59
Physics, 07.05.2020 11:59