1. Which of the following is NOT a discrete variable?a. Number of white marbles in the boxb. Number of students present in the classroomc. The weight of a box of soft drinks labeled "8 ounces."d. The number of arrivals customers in the restaurants between 7:00 a. m to 5:00 p.m.2. Which of the following statement describe a continuous random variable?a. The average distance traveled by a jeep in a weekb. The number of students present in a Class Anthuriumc. The number of motorcycle owned by a randomly selected householdd. The number of girls taller than 5 feet in a random sample of 10 girls3. A variable that can be discrete or continuous is calleda. Random samplec. Random variabled. Random eliminationb. Random notation4. You decide to conduct a survey of families with two children. You are interested in countingthe number of girls (out of 2 children) in each family. Is this a random variable, and if it is, whatare all its possible values?a. yes, it is a random variable, and its values can be 1 or 2b. yes, it is a random variable, and its values can be 0, 1 or 2c. yes, it is a random variable, and its values can be 2 or 4d. No, it is not a random variable, since it is not random5. Discrete random variable is a numerical quantity derived from the outcome of an experimentthat can bea. Countedc. Manipulatedd. Tracedb. Measured6. Continuous random variable is a numerical quantity derived from the outcome of an experimentthat can bea. Countedc. Manipulatedb. Measuredd. Traced7. Which of the following statement DOES NOT describe a discrete random variable?a. The number of children who do household chores everydayb. The average amount of milk consumption of a baby each dayc. The number of students who excelled in mathematics in a certain grade leveld. The number of children who love to pray a rosary every 6 o'clock in the afternoon8. If a coin is tossed, what are the possible values of the random variable for the number of heads?a. 0, 1c. 0, 1, 2b. 1, 2, 3d. 0, 1, 2, 3

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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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Three coins are tossed. List all the elements in the sample space. {TTT, TTH, THT, THH, HTT, HTH, HHT, HHH} {TTT, TTH, THT, THH, HTT, HTH} {TTT, TTH, THT, THH} { HTT, HTH, HHT, HHH}
• A) Given the data Pulse Rate (beats per minute) Mean St. Dev. Distribution Males 69.6 11.3 Normal Females 74.0 12.5 Normal a. Find the probability that a female has a pulse rate less than 60 beats per minute. b. Find the probability that a male has a pulse rate grater than 80 beats per minute. c. Find the probability that a m ale has a pulse rate between 65 beats per minute and 85 beats per minute. • B) Snow White. Disney World required that women employed as a Snow White character must have a height between 64 in and 67 in o Find the percentage of women meeting the height requirement o If the height requirements are changed to exclude the shortest 40% of women and the tallest 5% of women, what are the new height requirements?
Determine whether the value is a discrete random variable, continuous random variable, or not a random variable. a. The time required to download a file from the Internet b. The height of a randomly selected giraffe c. The eye color of people on commercial aircraft flights d. The number of free-throw attempts before the first shot is made e. The amount of rain in City B during April f. The number of hits to a website in a day a. Is the time required to download a file from the Internet a discrete random variable, a continuous random variable, or not a random variable? A. It is a discrete random variable. B. It is a continuous random variable. C. It is not a random variable. b. Is the height of a randomly selected giraffe a discrete random variable, a continuous random variable, or not a random variable? A. It is a discrete random variable. B. It is a continuous random variable. C. It is not a random variable c. Is the eye color of people on commercial aircraft flights a discrete random…
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As part of a statistics project, a teacher brings a bag of marbles containing 700 white marbles and 300 red marbles. She asks her students to determine how many red marbles are in the bag without counting them.A student randomly draws 100 marbles from the bag. Of the 100 marbles, 33 are red.The target population consists of The 100 marbles drawn by the student The 1000 marbles in the bag None of the above The 33 red marbles drawn by the student The 300 red marbles in the bag The sample consists of The 1000 marbles in the bag The 100 marbles drawn by the student The 33 red marbles drawn by the student None of the above The 300 red marbles in the bag Based on the sample, the student would estimate that ------ marbles in the bag were red.
Q. 2 Describe Sign test for one sample. one
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D. Construct the probability distribution for each discrete random variable. 1. Let W be the square of the number when a fair die is rolled. 2. Let X be the number of girls in a family with 3 children. 3. Let Y be the product of two numbers taken separately from two boxes containing numbers 1, 2, 3, and 4. 4. Let B be the number of boys in a committee of 4 taken from 3 boys and 4 girls. 5. Let S be the sum of three numbers taken from 3 jars containing 1, 2, and 3.

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