State whether each of the following random variables is discrete or continuous.(a) the number of windows on a houseO DiscreteO Continuous(b) the weight of a catDiscreteContinuous(c) the number of letters in a wordO DiscreteO Continuous(d) the number of rolls of a die until a six is rolledDiscreteContinuous(e) the length of a movieDiscreteO Continuous

Discrete Variables: that can only take on specific, distinct values. (ntegers or whole…

Answered: State whether each of the following…

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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(Jeff Bezos), Bill Gates (BG) 66 Elon Musk (EM) 50 Jeff Bezos (JB) 57 Mark Zackenberg (MZ) 37 Warren Buffet (WB) 91 1. Assuming that 2 of the ages are randomly selected with replacement, list the 25 possible samples 2. Find the mean of each of the 25 samples, then summarizing the sampling distribution of the means in the format of a table representing the probability distribution. 3. Compare the population mean to the mean of the sample means. 4. Do the sample means target the value of the population mean? In general, do sample means make good estimators of population means? 9
Suppose that the genders of the three children of a certain family are soon to be revealed. Outcomes are thus triples of "girls" (g) and "boys" (b), which we write gbg, bbb, etc. For each outcome, let R be the random variable counting the number of girls in each outcome. For example, if the outcome is bbg, then R(bbg) = 1. Suppose that the random variable X is defined in terms of R as follows: X=R- - 2R-4. The values of X are given in the table below. Outcome bbb ggb bbg gbg gbb bgg bgb gg Value of X-4 -4 -5 -4 -5 -4 -5 -1 Calculate the values of the probability distribution function of X, i.e. the function py. First, fill in the first row with the values of X. Then fill in the appropriate probabilities in the second row. Value x of X Px (x) E 1:48 PM 3/21/2022 hp Compag LAI956X 立

1. Distinguish Discrete Random Variable from Continuous Random Variable. 2. Distinguish Continuous Probability Distribution from Discrete Probability Distribution.
Which of the following is a continuous random variable? A)The number of students arrives to the library checkout desk before noon time. B)The number of students waiting in the cafeteria lane for lunch. C)The travel time of a bus between two cities. D)The number of newspapers sold on a specific date. E)The number phone calls received by call center for a certain period of time.
What does the memoryless property refer to? An event cannot occur if it has already occured within a recent specified time period. The distribution of the time until an event does not depend on how much time has already passed. The occurrence of an event is independent of the number of times that event has already occurred. None of the above.
Certain class is attended by 15 females and 16 males. Suppose two students must be selected randomly. Let X denote number of selected females and give a complete probability distribution
For the probability distribution of a discrete random variables, the sum of the probabilities of all possible values of x is always
. Assume that the box contains balls numbered from 1 through 28, and that 3 are selected. A random variable X is defined as 3 times the number of odd balls selected, plus 4 times the number of even. How many different values are possible for the random variable X?
● Ex: Consider experiment tossing four coins, the random variables is defined by assigning (0) to tail and (1) to head then adding the numbers, determine and plot the cumulative distribution function.
Why is the probability that a continuous random variable equals a specific number zero? That is, why is P(X=b)=0 for any number b?

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