An office building which consists of 10 floors with an area of 300m for each floor and a restaurant at the roof with an area of 200m, knowing that the ground floor is 4 m of height, the other floors are 3.4m and the roof 3.2m, the car capacity is 0.25% of the total area of the building, the speed of the car is 2.5m/s, the width of the door 1.2m the speed of the car is 0.6m/s and assume the speed of passenger is 2m/s. Find the value of RTT? If the quality is good how many elevators are required?
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
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