Mathematics, 09.12.2021 19:40, Wolfie215
A sprint duathlon consists of a 10km run and a 20km bike ride.
The mean finish time of all participants in a recent duathlon was 1.67 hours with a
standard deviation of 0.25 hours.
Suppose ONE random sample of 30 participants yielded a mean finishing time of 1.59
hours with a standard deviation of 0.30 hours.
Amongst ANY 30 randomly sampled participants, what is the probability that the sample
mean finishing time exceeded 2 hours?
O very close to O
O .09510
0.90490
O can't say
Answers: 3
Mathematics, 21.06.2019 14:30, LuxTheGirl2543
Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?
Answers: 1
Mathematics, 21.06.2019 14:50, queenkendra16
Which expression is equivalent to 4 square root 6 divided by 3 root 2
Answers: 1
Mathematics, 21.06.2019 21:40, Casey7019
Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit
Answers: 3
A sprint duathlon consists of a 10km run and a 20km bike ride.
The mean finish time of all partici...
Mathematics, 09.09.2020 06:01
Mathematics, 09.09.2020 06:01
Chemistry, 09.09.2020 06:01
History, 09.09.2020 06:01
Mathematics, 09.09.2020 06:01
Mathematics, 09.09.2020 06:01
Mathematics, 09.09.2020 06:01
Mathematics, 09.09.2020 06:01
Mathematics, 09.09.2020 06:01