Suppose the age that children learn to walk is normally distributed with mean 13 months and standard deviation 1 month. 9 randomly selected people were asked what age they learned to walk. Round all answers to 4 decimal places where possible.What is the distribution of XX? XX ~ N(,)What is the distribution of ¯xx¯? ¯xx¯ ~ N(,)What is the probability that one randomly selected person learned to walk when the person was between 11.5 and 14 months old? For the 9 people, find the probability that the average age that they learned to walk is between 11.5 and 14 months old. For part d), is the assumption that the distribution is normal necessary? NoYesFind the IQR for the average first time walking age for groups of 9 people.Q1 = monthsQ3 = monthsIQR: months

“Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Answered: Suppose the age that children learn to…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Concept explainers

Question

Suppose the age that children learn to walk is normally distributed with mean 13 months and standard deviation 1 month. 9 randomly selected people were asked what age they learned to walk. Round all answers to 4 decimal places where possible.

What is the distribution of XX? XX ~ N(,)
What is the distribution of ¯xx¯? ¯xx¯ ~ N(,)
What is the probability that one randomly selected person learned to walk when the person was between 11.5 and 14 months old?
For the 9 people, find the probability that the average age that they learned to walk is between 11.5 and 14 months old.
For part d), is the assumption that the distribution is normal necessary? NoYes
Find the IQR for the average first time walking age for groups of 9 people.
Q1 =  months
Q3 =  months
IQR:  months

Expert Solution

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Point Estimation, Limit Theorems, Approximations, and Bounds$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.

Similar questions