The mean age for a person getting married for the first time is 26.1 years. Assume the ages for first marriages are normal with a standard deviation of 4.7 years. (Give probability answers to four decimal places.) a) What is the probability that a person being married for the first time is between 21.3 and 29.2 years old? b) What is the probability that a person being married for the first time is over 28.6 years old? c) What is the probability that a person being married for the first time is between 26.5 and 33.2 years old? d) 90% of people getting married for the first time do so before what age?
The mean age for a person getting married for the first time is 26.1 years. Assume the ages for first marriages are normal with a standard deviation of 4.7 years. (Give probability answers to four decimal places.) a) What is the probability that a person being married for the first time is between 21.3 and 29.2 years old? b) What is the probability that a person being married for the first time is over 28.6 years old? c) What is the probability that a person being married for the first time is between 26.5 and 33.2 years old? d) 90% of people getting married for the first time do so before what age?
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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The mean age for a person getting married for the first time is 26.1 years. Assume the ages for first marriages are normal with a standard deviation of 4.7 years. (Give
a) What is the probability that a person being married for the first time is between 21.3 and 29.2 years old?
b) What is the probability that a person being married for the first time is over 28.6 years old?
c) What is the probability that a person being married for the first time is between 26.5 and 33.2 years old?
d) 90% of people getting married for the first time do so before what age?
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