Airline passengers arrive randomly and independently at the passenger screening facility at amajor international airport. The mean arrival rate is 5 passengers per minute.1. What is the probability of 2 arrivals in a 1-minute period?2. What is the probability of no arrivals in a 1-minute period?3. What is the probability of one arrival in a 1-minute period?4. What is the probability of at most one arrival in a 1-minute period?

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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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2. Let = the number of packages a business receives per week. The average number of packages received per week is 30. Calculate the probability the business receives exactly 25 packages in a week. Calculate the probability the business receives more than 33 packages in a week. Calculate the probability the business receives fewer than 40 packages in a week. Provide a graph of this probability distribution.
At a local college, 32% of students are enrolled in a statistics course and 45% of students are enrolled in an accounting course. Also, 16% of students are enrolled in both statistics and accounting 1. What is the probability that a randomly selected student is in statistics or accounting. 2. What is the probability that a randomly selected student is in accounting, given that they are in statistics. 3. What is the probability that a randomly selected accounting student is in statistics. 4. What is the probability that a randomly selected student is not in either course.
The class I'm taking is statistics! I am completely stuck. Need help. I have attached the problem. Please view attachment before answering. Thank you!
A salesperson contacts 10 potential customers per day. From past experience, we know that the probability of a potential customer making a purchase is .20. a. What is the probability that the salesperson will make exactly three sales in a day? b. What percentage of days will the salesperson not make a sale? c. What is the expected number of sales per day? Please do fast ASAP fast
10. Ten percent of computer parts produced by a certain supplier are defective. What is the probability that a sample of 10 parts contains more than 3 defective ones?
please provide thorough explanation for each question and correct answers...........
There are 45 people in a weight loss program of which 31% have lost weight. A sample of 12 of these people are tested to see if they lost weight.. Enter all answers in decimal form rounded to five decimal places. 1. What is the probability that 67% of the people tested lost weight? 2. What is the probnability that at least 75% of the people tested lost weight? Need Help? Dr. Jackson's Lecture Slides Dr. Jackson's YouTube Video Statistics 2.15.4 Hypergeometric Calculations Discrete Probability Slides 586-606, 647-655 Statistics 2 16 2 Distribution of Proportions Applications Enter your answer in the edit fields and then click Check Answer. Clear Al Check Answer All parts showing This course (Spring 2020O-2503-Prooability & Sratistics -lackson-Full Online) is based on Weiss: htroductory Statistics, 10e o search
A YouTube user watches on average 27 videos per day. 1.How many videos do a YouTube user watch per hour? 2.How many videos do a YouTube user watch per 8 hours? 3.What is the probability that a YouTube user watches 4 videos per 8 hours? 4.What is the probability that a YouTube user watches more than 2 videos per 8 hours?
80. The World Bank records the prevalence of HIV in countries around the world. According to their data, "Prevalence of HIV refers to the percentage of people ages 15 to 49 who are infected with HIV."1 In South Africa, the prevalence of HIV is 17.3%. Let X = the number of people you test until you find a person infected with HIV. a. Sketch a graph of the distribution of the discrete random variable X. b. What is the probability that you must test 30 people to find one with HIV? c. What is the probability that you must ask ten people? d. Find the (i) mean and (ii) standard deviation of the distribution of X.
7. According to a college survey, 22% of all students work full time. In a survey of 14 students, what is the probability that no more than 2 of them work full time?
KE It is estimated that 1.9% of the parts produced by a certain factory's assembly line will be defective. If 700 parts are selected at random, find the probability that at least 10 parts are defective. Click here to view page 1 of the Areas under the Normal Curve Table. Click here to view page 2 of the Areas under the Normal Curve Table The probability that at least 10 parts are defective is (Round to four decimal places as needed.).
The chance of having a sister or a brother is equally likely. If you have four siblings, there are sixteen equally likely outcomes possible. Create a Probability Distribution to the outcomes based on the total number of sisters given you have 4 siblings Total Number of Sisters ..Probability .. List your outcomes (Total Number of Sisters) from least to greatest. Represent the probabilities using 4 decimal places

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