subject
Mathematics, 16.01.2021 16:10 lalkjlkeu9709

The length of time that it takes for a ferry to reach a summer resort from the mainland is approximately normally distributed with a mean of 2 hours and a standard deviation of 12 minutes. Over many past trips, what proportion (area) of times has the ferry reaches the island in A) less than 1 hour, 45 minutes? B) more than 2 hours, 5 minutes? C) between 1 hour, 50 minutes and 2 hours, 20 minutes?

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:50, alejosy50
Alength on a map is 7.5 inches. thescale is 1 inch: 5 miles. what is theactual distance? a 1.5 miles c 12.5 milesb 2.5 miles d 37.5 miles
Answers: 1
image
Mathematics, 21.06.2019 15:40, chaparro0512
If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes
Answers: 3
image
Mathematics, 21.06.2019 18:30, coco4937
The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?
Answers: 3
image
Mathematics, 21.06.2019 20:30, BAJRY
Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?
Answers: 2
You know the right answer?
The length of time that it takes for a ferry to reach a summer resort from the mainland is approxima...

Questions in other subjects: