The following table contains the probability distribution for the number of traffic accidents daily in a small town. Complete parts (a) through (c) below.Number of AccidentsP(X=x,)Daily (X)0.2810.3220.1830.0940.070.040.02......a. Compute the mean number of accidents per day.(Type an integer or a decimal. Do not round.)b. Compute the standard deviation.(Type an integer or decimal rounded to three decimal places as needed.)c. What is the probability that there will be at least 2 accidents on a given day?P(x2 2)=(Type an integer or a decimal. Do not round.)Ask my instructorType here to searcher

The table shows the probability distribution for the number of traffic accidents daily in a small…

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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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The following table contains the probability distribution for the number of traffic accidents daily in a small town. Complete parts (a) through (c) below. Refer to chart below. Number of accidents daily (X) P(X=xi) 0 0.30 1 0.35 2 0.17 3 0.07 4 0.05 5 0.04 6 0.02 A.) Compute number of accidents a day B.) Complete standard deviation C.) What is the probability that there will be at least 2 accidents on a given day? Don't round
Mean St. Dev. Distribution Males 23.5 in. 1.1 in. Normal Females 22.7 in. 1.0 in. Normal Use the data in the table for sitting adult males and females. These data are used often in the design of different seats, including aircraft seats, train seats, theater seats, and classroom seats. Find the probability that a female has a back-to-knee length between 22.0 in and 24.0 in Warning! This question is not multiple choice! You are to fill in the blank with the correct answer. Write your answer in the form 0.1234
Today, the waves are crashing onto the beach every 4.1 seconds. The times from when a person arrives at the shoreline until a crashing wave is observed follows a Uniform distribution from 0 to 4.1 seconds. Round to 4 decimal places where possible. a. The mean of this distribution is b. The standard deviation is C. The probability that wave will crash onto the beach exactly 2.8 seconds after the person arrives is P(x = 2.8) = d. The probability that the wave will crash onto the beach between 0.4 and 1.9 seconds after the person arrives is P(0.4 0.82) = f. Suppose that the person has already been standing at the shoreline for 0.5 seconds without a wave crashing in. Find the probability that it will take between 1 and 4 seconds for the wave to crash onto the shoreline. g. 26% of the time a person will wait at least how long before the wave crashes in? seconds. h. Find the maximum for the lower quartile. seconds.
1. The following table contains the probability distribution for the number of traffic accidents daily in a small town. Complete Parts (a) through (c) below. a.) Compute the mean number of accidents per day using the table below Number of accidents Daily (x) 0-Nm Jha 6 P(X = Xi) 0.26 0.3u 0.19 0.08 0.07 0.04 0.02 # Please use excel to answer question
The following table contains the probability distribution for the number of traffic accidents daily in a small town. Complete parts (a) through (c) below. Number of Accidents Daily (X) P(X=xi) 0 0.23 1 0.29 2 0.17 3 0.12 4 0.08 5 0.07 6 0.04 a. Compute the mean number of accidents per day. μ=nothing
The following table displays a relative frequency distribution for the number of siblings for students in a school. For a randomly selected student in the school, let X denote the number of siblings of the student. Number of Siblings Relative Frequency 0 0.1140 1 0.1420 2 0.7010 3 0.0210 4 0.0120 5 0.0065 6 0.0025 7 0.0010 P (X < 3) = ____________ P (X = 4) = ____________
According to Investment Digest, the arithmetic mean of the annual return for common stocks over an 85 year period was 9.5%, but the value of the variance was not mentioned. Also 25% of the annual returns were below 8% while 65% of the annual returns were between 8% and 11.5%. The article claimed that the distribution of annual return for common stocks was bell shaped and approximately symmetric. Assume that the distribution is normal with the mean given above. Find the probability that the annual return of a random year will be less than 11.5% 90% 80% 70% 60%
Suppose the time it takes for guests to wait for an elevator at the lobby of a certain office building has a uniform distribution between 0 and 4 minutes. What is the probability that, the next time you need to take this elevator, you'll have to wait at most 1.6 minutes? (Your answer should be a decimal. Round to 4 decimal places if necessary.)
The following table contains the probability distribution for the number of traffic accidents daily in a small town. Complete parts (a) and (b) to the right. a. Compute the mean number of accidents per day. Number of Accidents P(X) (Type an integer or a decimal.) Daily (X) 0.32 b. Compute the standard deviation. 0.35 0.13 0.07 (Type an integer or decimal rounded to three decimal places as needed.) 0.06 0.04 0.03 6.
action=edit&resid=C08701F6876D7727!330&ithint=file%2cdocx&action=edit&wdNewAndOpenCt=1654742848849&wd Previous Ses 1. The following table shows the probability distribution for X = the number of traffic accidents reported in a day in a small city in the Rockies. X P(X) 0 0.25 1 0.30 0.20 0.10 0.10 5 0.05 a. What is the mear or expected number of accidents? b. What is the standard deviation of the number of accidents? an alarm in the presence of 2 3 4
K The following data represent the number of drivers involved in a fatal crash in 2016 in various light and weather conditions. Complete parts (a) through (c) below. Click the icon to view the data for fatal crashes in 2016. (a) Among fatal crashes in unknown weather conditions, what is the probability that a randomly selected fatal crash occurs when it is dawn/dusk? The probability that a randomly selected fatal crash in unknown weather conditions occurs when it is dawn/dusk is approximately. (Round to three decimal places as needed.) Data table Weather Daylight Dark, but Lighted 5875 497 51 54 255 Normal Rain Snow/Sleet Other Unknown 14,307 875 219 125 810 (...) Dark 8151 681 156 220 548 Dawn/Dusk Other 1183 87 40 71 65 8 2 9 133 X

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