Answered: Please answer the two problem…

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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Please answer the two problem separately and refer to its instructions. Thank you. Problem 1: (I prefer it computerized to better understand it) • Sketch the normal curve based on the given mean (u) and standard deviation (a): According to the Philippine Statistical Authority, the average inflation rate in the Philippines in 2017 is 3.2% having a standard deviation of 0.92%. Consider the data as normally distributed. Problem 2: A bank located in a business center wants to improve the process in serving customers during lunch break. They recorded the customers' time spent from entering the line until they finished their transaction. They found out that the customers spent an average time of 15.8 min with a SD of 1.25 min. If the time is normally distributed, what is the probability that a customer chosen at random will consume more than 15 minutes to finish his transaction in the bank? Problem 1 in the picture below.

Sketch the normal curve based on the given mean (u) and
standard deviation (o): According to the Philippine Statistical
Authority, the average inflation rate in the Philippines in 2017 is
3.2% having a standard deviation of 0.92%. Consider the data
as normally distributed.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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