10. Which of the following does not represent a discrete random variable? A. The number of...
Determine whether the random variable x is discrete or continuous. Explain. Let x represent the number of hits to a website in a day. Choose the correct answer below.
Determine whether the following value is a continuous random variable, discrete random variable, or not a random variable. a. The number of textbook authors now eating a mealnumber of textbook authors now eating a meal b. The usual mode of transportation of people in City Upper Ausual mode of transportation of people in City A c. The number of statistics students now doing their homeworknumber of statistics students now doing their homework d. The number of runs scored during a...
Decide whether each situation demonstrates a discrete or continuous random variable. 1. The number of faculty members who entered Lindner before 9:00 AM today. ---Select--- Discrete Continuous both Continuous and Discrete neither Continuous nor Discrete 2. Your weight in kilograms every morning ---Select--- Discrete Continuous both Continuous and Discrete neither Continuous nor Discrete 3. The total distance in miles to the airport for all of the students attending BANA2081 on any given day. ---Select--- Discrete Continuous both Continuous and Discrete neither Continuous...
which of these variables are discrete and which are continuous random variables? a. the number of new accounts est. by a salesperson in a year. b. the time between customer arrivals to a bank ATM. c. the number of customers in Big Nick's barber shop. d. the amount of fuel in your car's gas tank. e. the numbber of minorities on a jury. f. the outside temperature today. x P(x) 5 .1 10 .3 15 .2 20 .4
Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable. (a) The number of points scored during a basketball game. (b) The amount of rain in City B during April. (a) Is the number of points scored during a basketball game discrete or continuous? A. The random variable is discrete. The possible values are x≥0. B. The random variable is continuous. The possible values are x =0, 1, 2..... C. The random variable is discrete. The...
Determine whether the following value is a continuous random variable, discrete random variable, or not a random variable. A. The number of textbook authors now eating a meal b. The hair color of adults in the United States c. The number of statistics students now doing their homework d. The time it takes for a light bulb to burn out e. The number of home runs in a baseball game f. The number of runs scored during a baseball game
1. Let the random variable X represent the number of defective parts for a machine when 3 parts are sampled from a production line and tested. The following is the probability distribution of X 0 1 T0.38 2 3 х 0.10 0.01 0.51 (a) Compute expected value of the random variable X c) ) S 0. the l (b) Compute standard deviation of the random variable X (c) If g(X) = 2X +3, what is the expected value of g(X)?...
Which of the following is not a discrete random variable? A. The number of times a light changes red in a 10 minute cycle B. The number of minutes required to run 1 mile C. The number of defects in a sample selected from a population of 100 products D. The number of criminals found in a five mile radius of a neighborhood
Determine whether the random variable X has a binomial distribution. If it does, state the number of trials n . If it does not, explain why not. Twenty students are randomly chosen from a math class of 70 students. Let X be the number of students who missed the first exam. Choose the statement The random variable (?CHOOSE ONE?) a binomial distribution. Choose the statement that explains why does not have a binomial distribution. More than one may apply. A)...