According to a study, the length of pregnancy is normally distributed with a mean of 269 days and a standard deviation of 14.7 days. Let X be the length of pregnancy for a randomly selected female. 1. Describe the probability distribution of X and state its parameters μ and o: |(μ= X - Select an answer Select an answer X² XN ZBFT 2. Find the probability that the length of pregnancy for a randomly selected female is a. less than 280 days. b. between 256 and 265 days. c. more than 292 days. (Round the answer to 4 decimal places) (Round the answer to 4 decimal places) (Round the answer to 4 decimal places) 3. Find the 60-th percentile for the length of pregnancy. place) days (Round the answer to 1 decimal
According to a study, the length of pregnancy is normally distributed with a mean of 269 days and a standard deviation of 14.7 days. Let X be the length of pregnancy for a randomly selected female. 1. Describe the probability distribution of X and state its parameters μ and o: |(μ= X - Select an answer Select an answer X² XN ZBFT 2. Find the probability that the length of pregnancy for a randomly selected female is a. less than 280 days. b. between 256 and 265 days. c. more than 292 days. (Round the answer to 4 decimal places) (Round the answer to 4 decimal places) (Round the answer to 4 decimal places) 3. Find the 60-th percentile for the length of pregnancy. place) days (Round the answer to 1 decimal
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Question 6
According to a study, the length of pregnancy is normally distributed with a mean of 269 days and a
standard deviation of 14.7 days. Let X be the length of pregnancy for a randomly selected female.
1. Describe the probability distribution of X and state its parameters and σ:
X - Select an answer (fe
Select an answer
X²
XN ZBF
σ=
2. Find the probability that the length of pregnancy for a randomly selected female is
a. less than 280 days.
(Round the answer to 4 decimal places)
b. between 256 and 265 days.
c. more than 292 days.
(Round the answer to 4 decimal places)
(Round the answer to 4 decimal places)
3. Find the 60-th percentile for the length of pregnancy.
place)
days (Round the answer to 1 decimal
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