subject
Mathematics, 25.10.2019 04:43 leroybennett06

2. in a recent austin marathon, 36% of the racers were female. the distribution of finishing times for the female runners was normally distributed with a mean of 280 minutes and a standard deviation of 45 minutes. for male runners, their finishing times were also normally distributed with a mean of 262 minutes and a standard deviation of 40 minutes. a. the fastest 33% female runners finished the race in under what time? write a probability statement and find the answer. (1pt) b. what proportion of male runners finished between 4 and 5 hours? write a probability statement and find the answer. (1.5pt) c. of those that finished under hours, what proportion were female? write a probability statement and find the answer. (2pt)

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Which expression will have the same sum as 3_8 + 1/4?
Answers: 1
question
Mathematics, 21.06.2019 19:30
In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.
Answers: 1
question
Mathematics, 21.06.2019 20:00
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0
Answers: 2
question
Mathematics, 21.06.2019 22:50
Angle that produces maximum distance
Answers: 1
You know the right answer?
2. in a recent austin marathon, 36% of the racers were female. the distribution of finishing times f...
Questions
question
Mathematics, 18.12.2020 23:40
question
Mathematics, 18.12.2020 23:40
question
Mathematics, 18.12.2020 23:40
question
Mathematics, 18.12.2020 23:40
question
Mathematics, 18.12.2020 23:40
question
Mathematics, 18.12.2020 23:40
Questions on the website: 13722361