subject
Mathematics, 02.06.2021 19:20 webbhlharryteach

The length of human pregnancies from conception to birth approximates a normal distribution with a mean of 264 days and a standard deviation of 14 days. What proportion of
all pregnancies will last between 242 and 268 days (roughly between 8 and 9 months)
a.
0.554
b. 0.387
C. 0.768
d. 0.897

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)
Answers: 1
question
Mathematics, 21.06.2019 22:00
Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0
Answers: 2
question
Mathematics, 21.06.2019 22:00
Find cot x if sin x cot x csc x = √2
Answers: 2
question
Mathematics, 21.06.2019 23:30
Can someone me with my math problem pls my teacher is on my back about this
Answers: 2
You know the right answer?
The length of human pregnancies from conception to birth approximates a normal distribution with a...
Questions
question
Advanced Placement (AP), 13.12.2020 20:20
question
Mathematics, 13.12.2020 20:20
question
Mathematics, 13.12.2020 20:20
question
Social Studies, 13.12.2020 20:20
question
Health, 13.12.2020 20:20
Questions on the website: 13722360