How many simple randóm samples of size 3 canbe selected from a population of size 7?а. 35b. 210с. 3d. 343е. 7f. 21

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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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QUESTION 2. A batch of 140 semiconductor chips is inspected by choosing a sample of 5 chips. Assume 10 of the chips do not conform to customer requirements. (a) How many different samples are possible? (b) How many samples of five contai exactly one nonconforming chip? (c) How many samples of five contain at least one nonconforming chip?
Answer the following questions. 1. The amount of rainfall in California in 2021 is A) A discrete random variable B) A continuous random variable C) Not a random variable 2. The amount of rainfall in California in 2019 is A. A discrete random variable B. A continuous random variable C. Not a random variable 3. The number of tesla cars sold in 2020 in the us is A. A discrete random variable B. A continuous random variable C. Not a random variable 4. The most popular car maker (i.e., the car maker that sold the most cars) in the us in 2021 is A. A discrete random variable B. A continuous random variable C. Not a random variable
1. An experiment consists of flipping a coin until either heads is flipped 6 times, or the same side shows up 3 times in a row. The random variable X assigns the number of total coins flips to each outcome. What number is assigned to HTTT? 2. A person picks a number between 1 and 28536. The random variable Z assigns the number picked to each outcome. What number is assigned to 267927? 3. A person picks a number between 1 and 285336. The random variable Z assigns the 0 to an even number 1 to an odd number. What number is assigned to 267927?
Part I: Sections 1.1 - 1.5 4. A flower garden has 40 flowers: 10 yellow, 5 white, 8 red, and 17 pink. Assume that 3 flowers are randomly selected. If the sampling is done with replacement, what is the (a) probability that the first two flowers are pink and the last flower is yellow? (b) probability that at least one of the flowers is red? If the sampling is done without replacement, what is the
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2.4.4 A bag contains 1 red, 1 black and 1 green marble. I randomly select 1 of the marbles and record its color. I then replace it in the bag, shake the bag, and randomly select a second marble, again recording its color. The second marble is then replaced and a third marble is randomly selected and its color recorded. How many different samples of 3 colors could occur?
Orange JO 3|| O N 83I 9:40 Homework _3 Some Basic Pr. Os 2: The table below reports the number of observations of Agriculture Department and Mechanical Engineer students who had received an IQ test in the past 2 years cross-classified with students' race. Students Race Agriculture Department Mechanical Total Engineer Department Jordanian 319 738 329 1057 Palestinian 130 459 Syrian Saudi Arabian 88 402 490 41 95 136 Total 578 1564 2142 (a) We select at random a subject who had an IQ test. What is the probability that student is Palestinian? (b) We select at random a subject who had an IQ test and learn that the student is from the Agriculture department. With that information, what is the probability that the student is Jordanian? (c) We select at random a subject who had an IQ test. What is the probability that the student is a Mechanical Engineer and Palestinian? (d) We select at random a subject who had an IQ test. What is the probability that the student is from Agriculture…
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3. An integer is randomly chosen from the set 1, 2,..., 100. If this integer is divisible by 2 we let Y = 0, and if it is not divisible by 2 but is divisible by 3 then Y = 1. We let Y = 2 in all other cases. Find mean and variance of Y.
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How many simple random samples of size 3 can be selected from a population of size 7? а. 35 b. 210 C. 3