Use the probability distribution to find a) standard deviation b) expected value of the probability distribution and c) interpret the results. 911 Calls A 911 service center recorded the number of calls received perhour. The number of calls per hour for one week can be approximated by thefollowing probability distribution.0 15| 62347P(x) 0.010.100.260.330.180.060.030.03

a) The table shows the probability distribution.

Answered: Use the probability distribution to…

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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Measurements for the length and width of rectangular plastic covers for CDs are rounded to the nearest mm. Let X denote the length and Y denote the width. Assume that the joint probability of X and Y is represented by the following table: x = length, y = width 129 130 131 15 0.12 0.42 0.06 16 0.08 0.28 0.04 What is the probability distribution of X?
The accompanying table shows the results of a survey in which 250 male and 250 female workers ages 25 to 64 were asked if they contribute to a retirement savings plan at work. Complete parts (a) and (b) below.
The number of calls coming in to order roses from a flower shop averages 3 per minute a. Define random variable in this situation and list it’s values b. Stating its parameter(s) what is the probability distribution of this variable? c. Compute the probability that 5 calls will arrive per minute. d. Compute the probability that 3 or more calls will arrive in 3- minute interval?
The given table classifies auto accidents by survival status (S = survived, D = died) and seat belt status of the individual involved in the accident. Answer parts a-c Outcome D Total Belt 410,197 193,028 603,225 Yes 409,645 191,316 600,961 552 No 1712 Total 2264 a. Estimate the probability that the individual died (D) in the auto accident. P(D) 0.004 (Round to three decimal places as needed.) b. Estimate the probability that the individual died given that they (i) wore, (ii) did not wear a seat belt. (i) P(D/wore seat belt) (i) P(DIdidn't wear seat belt) (Do not round until the final answer. Then round to three decimal places as needed.)
Who derives the equation of the normal probability distribution function? a. Abraham de Moivre b. Karl Friedrich Gauss c. Pierre Simon de Laplace
From the table, find the probability that the person is a: 1. Male from area IV 2. Female and not from area III or area V
Richard has just been given a 10-question multiple-choice quiz in his history class. Each question has five answers, of which only one is correct. Since Richard has not attended class recently, he doesn't know any of the answers. Assume that Richard guesses on all 10 questions. Let X be the number of correct answers. a) State the probability distribution of X. Make sure to indicate the parameters of the distribution. b) What is the probability that he will answer all questions correctly? c) Richard is shocked. The history quiz is now a final exam with 100 questions similar to the quiz questions. What is the probability that he will answer at most 17 questions correctly? Show all your steps. Diagram:
The accompanying table shows the results of a survey in which 250 male and 250 female workers ages 25 to 64 were asked if they contribute to a retirement savings plan at work. Complete parts (a) and (b) below. Click the icon to view the survey results. (a) Find the probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male. The probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male, is (Round to three decimal places as needed.) (b) Find the probability that a randomly selected worker is female, given that the worker contributes to a retirement savings plan at work. The probability that a randomly selected worker is female, given that the worker contributes to a retirement savings plan at work, is (Round to three decimal places as needed.)
The time to the nearest whole minute, that a city bus takes to go from one end of its route to the other has the probability distribution shown. Please write your answer readable. Thank you.
SELECT ALL THAT APPLY. In the normal distribution, a probability a) can be expressed as a proportion b) can be expressed as a percentage c) can take a maximum value of1 d) can take a minimum value of1
he mean height of women in a country (ages 20−29) is 64.4 inches. A random sample of 65 women in this age group is selected. What is the probability that the mean height for the sample is greater than 65 inches? Assume σ=2.75.
Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant P A В Order Accurate Order Not Accurate 338 274 240 126 35 59 30 16 If one order is selected, find the probability of getting an order from restaurant A or D or an order that is not accurate. ..... The probability of getting an order from restaurant A or D or an order that is not accurate is (Round to three decimal places as needed.)

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