Consider a sample (n=50) which can be modeled as 50 draws from the box [1 1 2 2 2 4]. The mean is 2 and the standard deviation is 1. Using a normal approximation of the sum, what is the chance that the sum will be less than 90? O A) 8% B) 49% O C) 23% D) 46%

Consider a sample (n=50) which can be modeled as 50 draws from the box [1 1 2 2 2 4]. The mean is 2 and the standard deviation is 1. Using a normal approximation of the sum, what is the chance that the sum will be less than 90? O A) 8% B) 49% O C) 23% D) 46%

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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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

Consider a sample (n=50) which can be modeled as 50 draws from the box [1 1 2 2 2
4]. The mean is 2 and the standard deviation is 1.
Using a normal approximation of the sum, what is the chance that the sum will be
less than 90?
O A) 8%
B) 49%
C) 23%
D) 46%

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