Answered: Determine whether the random variable…

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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Next Question Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table Drive-thru Restaurant D A. D 260 56 231 Order Accurate Order Not Accurate 335 37 141 40 17 If one order is selected, find the probability of getting an order from restaurant A or D or an order that is not accurate. The probability of getting an order from restaurant A or D or an order that is not accurate is (Round to three decimal places as needed.) Enter your answer in the answer box 15 AM 12/7/2020 LG
Five males with an X-linked genetic disorder have one child each. The random variable x is the number of children among the five who inherit the X-linked genetic disorder. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. child(ren) (Round to one decimal place as needed.) X 0 1 2 3 4 5 Does the table show a probability distribution? Select all that apply. A. Yes, the table shows a probability distribution. B. No, the random variable x's number values are not associated with probabilities. C. No, the random variable x is categorical instead of numerical. D. No, not every probability is between 0 and 1 inclusive. E. No, the sum of all the probabilities is not equal to 1. Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. P(x)…
Suppose that a company gains an average of 7 customers per $700 spent on advertising. If the company spends $700 on advertising, find the probability of gaining at least 13 customers. Part 1 out of 2Find the mean number λ. Round to the nearest tenth. λ = _______
7. 140 characters A 2014 survey suggests that 71% of U.S. teenagers use Facebook, 33% use Twitter, and 15% do both. Suppose we select a U.S. teenager at random and learn that the student uses Facebook. Find the probability that the student uses Twitter.
When data is said to be binomial, this means that ___________. a. They will always be normally distributed b. There are only 2 sets of data c. There are only 2 categories in which a measurement could possibly belong d. The data is classified into 2 or more categories
Problem A particular concentration of a chemical found in polluted water has been found to be lethal to 20% of the fish that are exposed to the concentration for 24 hours. Twenty fish are placed in a tank containing this concentration of chemical in water. a Find the probability that exactly 14 survive. b Find the probability that at least 10 survive. e Find the probability that at most 16 survive. d Find the mean and variance of the number that survive. Step-by-step solution 100% (34 ratings) for this solution Step 1/7 From the given information, et y be the number of survive fishes in 24 hours. H Add Huggies To Your Cart-y Butt HUGGIES P Show all steps AdChoices
see the photo for details The capacity of the stake supporting an electrical transmission tower is lognormal random variable with an average capacity of 1X0 tons and a variation coefficient of 3X (please type the last number of your student number instead of X). For example, if the last number of your student number is 4, the values will be 140 tons and 34%, respectively). What are the chances that the stake will remain intact under a load of 1X0 tons? (Instead of X, type the last number of your student number. For example, if the last number of your student number is 4, the value will be 140 tons) A pile loading test that is inserted during the placement of the stake indicates that the stake can support at least 85+X tons of load. What are the chances that the stake will remain intact under a load of 1X0 tons in such a situation? (Instead of X, type the last number of your student number. For example, if the last number of your student numara is 4, the values will be 89 tons…
A sociologist randomly selects single adults for different groups of three, and the random variable x is the number in the group who say that the most fun way to flirt is in person. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. Does the table show a probability distribution? Select all that apply. OA. H= adult(s) (Round to one decimal place as needed.) OB. The table does not show a probability distribution. an example # 3 A. Yes, the table shows a probability distribution. B. No, the random variable x's number values are not associated with probabilities. C. No, not every probability is between 0 and 1 inclusive. D. No, the random variable x is categorical instead of numerical. E. No, the sum of all the probabilities is not equal to 1. Find the mean of the random variable x. Select the correct choice below…
Lesson 10 Q4 The number of accidents in a week is ___________? A.a continuous random variable. B.a discrete random variable. C.neither continuous nor discrete variable. D.continuous and discrete variables.
Answer quickly!
Determine whether each random variable is discrete or continuous. Answer only DISCRETE OR CONTINUOUS.a. The number of boys in a three-child family chosen at random.b. A cup of coffee served at a restaurant's temperature.c. The number of no-shows for every 100 commercial airline reservations.d. The number of automobiles owned by a household chosen at random.e. The average amount spent on electricity by a randomly selected household ineach state during the month of July.
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. Cards are randomly drawn without replacement from a standard deck of 52. Let X be the number of cards that must be drawn before a Heart appears. Part 1 of 2 The random variable does not have a binomial distribution. Part: 1 / 2 Part 2 of 2 Choose a statement that explains why X does not have a binomial distribution. The number of trials is not fixed. There are more than two possible outcomes for each trial. The probability of success is not the same for each trial. O The trials are not independent. O X does not represent the number of successes that occur. X 5

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Determine whether the random variable described is discrete or continuous. The time of a randomly chosen city employee to get to work.