× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
New Topic  
portis portis
wrote...
Posts: 22
Rep: 0 0
8 years ago
Lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. (a) Find the probability of a pregnancy lasting more than 250 days. (b) Find the probability of a pregnancy lasting more than 280 days. Draw the diagram for each and discuss the part of the solution that would be different to finding the requested probabilities.
Read 661 times
1 Reply

Related Topics

Replies
wrote...
Staff Member
Educator
8 years ago
Both (a) and (b) are solved by subtracting the area score from 1.
Mastering in Nutritional Biology
Tralalalala Slight Smile
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1221 People Browsing
 114 Signed Up Today
Related Images
  
 68
  
 58
  
 7829
Your Opinion
What's your favorite math subject?
Votes: 293

Previous poll results: Who's your favorite biologist?