Suppose that the length of time that a person waits in line for Disneyland's Matterhorn is normally distributed with a mean of 45 minutes and a standard deviation of 12.2 minutes. Answer the following questions. You can use SALTLinks to an external site. to compute these probabilities.What is the probability of randomly selecting a person who waits less than 40 minutes in line for the Matterhorn?Let suppose that you were told that your waiting time puts you into the 98th percentile. The 98th percentile is a time that separates the bottom 98% if wait times from the top 2% of wait times. Find the length of wait that defines the 98th percentile.

(1) Obtain the probability of randomly selecting a person who waits less than 40 minutes in line…

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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Suppose that the length of time that a person waits in line for Disneyland's Matterhorn is normally distributed with a mean of 45 minutes and a standard deviation of 12.2 minutes. Answer the following questions. You can use SALTLinks to an external site. to compute these probabilities.

What is the probability of randomly selecting a person who waits less than 40 minutes in line for the Matterhorn?
Let suppose that you were told that your waiting time puts you into the 98th percentile. The 98th percentile is a time that separates the bottom 98% if wait times from the top 2% of wait times. Find the length of wait that defines the 98th percentile.

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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