0.5-0.5-0.5-0.5-0.4-0.4-0.4-0.4-Q0.3-0.3-0.30.3-0.2-0.2-0.2-0.2-0.1-0.1-01-0.10-0-1 20-10-1233234234(c) Compute and interpret the mean of the random variable x.The mean isstars.(Round to one decimal place as needed.)Which of the following interpretations of the mean is correct?O A. The observed value of an experiment will be equal to the mean of the random variable in most experiments.O B. As the number of experiments decreases, the mean of the observations will approach the mean of the random variable.O C. As the number of experiments increases, the mean of the observations will approach the mean of the random variable.O D. The observed value of an experiment will be less than the mean of the random variable in most experiments.of Suppose the following data represent the ratings (on a scale from 1 to 5) for a certain smart phone game, with 1 representing apoor rating. Complete parts (a) through (d) below.StarsFrequency25401225683439944685510,182...(a) Construct a discrete probability distribution for the random variable x.Stars (x)P(x)12345(Round to three decimal places as needed.)

Total Frequency = 2540+2568+4399+4685+10182 = 24,374 a) Stars (x) Frequency P(x) 1 2540…

Answered: Suppose the following data represent…

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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Assume that 12 jurors are randomly selected from a population in which 76% of the people are Mexican- Americans. Refer to the probability distribution table below and find the indicated probabilities. P(a) 0+ 1 0+ 0+ 0.0003 4. 0.0018 0.0092 6. 0.034 7 0.0924 8 0.1828 9. 0.2573 10 0.2444 11 0.1407 12 0.0371 Find the probability of exactly 5 Mexican-Americans among 12 jurors. P(x = 5) = 0.0092 Find the probability of 5 or fewer Mexican-Americans among 12 jurors. P(x < 5) = 3205 Does 5 Mexican-Americans among 12 jurors suggest that the selection process discriminates against Mexican-Americans? yes O no Question Help: O Message instructor Submit Question 12 MAR tv 19 MacBook Air 11 F4 F5 F7
The following table shows the distribution of murders by type of weapon for murder cases in a particular country over the past Weapon 12 years. Complete parts (a) through (e). Probability Handgun Rifle Shotgun Unknown firearm Knives Hands, fists, etc. 0.472 0.024 0.034 0.144 0.133 0.055 Other 0.138 (a) Is the given table a probability model? Why or why not? O A. No; the probability of all events in the table is not greater than or equal to 0 and less than or equal to 1. O B. No; the sum of the probabilities of all outcomes does not equal 1. OC. No: the probability of all events in the table is not greater than or equal to 0 and less than or equal to 1, and the sum of the probabilities of all outcomes does not equal 1. OD. Yes; the rules required for a probability model are both met.
Let X = {Email, In Person, Instant Message, Text Message}; P(Email) = 0.06 P(In Person) = 0.55 P(Instant Message) = 0.24 P(Text Message) = 0.15 Is this model a probability distribution? A. Yes. B. No. C. Maybe.
Consider the following discrete probability distribution. x 33 34 35 36 37 38 39 40 P(x) 0.02 0.06 0.10 0.20 0.24 0.26 0.10 0.02 (a) Find the probability that the random variable x is at most 38. Don't round. (b) Find the probability that the random variable x is at least 35. Don't round.
The following data represent the number of games played in each series of an annual tournament from 1933 to 2003. Complete parts (a) through (d) below. x (games played) Frequency 4 6 7 19 11 16 24 (Round to four decimal places as needed.) (b) Graph the discrete probability distribution. Choose the correct graph below. O A. OB. O B. Oc. D. AP(X) 0.5- AP(x) 0.5- AP(x) 0.5- Q AP(x) 0.5- APIX) 6. 4 5 6 7 5 6 7. 4 4 5 6 (c) Compute and interpret the mean of the random variable x. Hy = 5.6430 games (Round to four decimal places as needed.) Interpret the mean of the random variable x. O A. The series, if played many times, would be expected to last about 4.4 games, on average. B. The series, if played many times, would be expected to last about 5.6 games, on average. C. The series, if played one time, would be expected to last about 5.6 games. (d) Compute the standard deviation of the random variable x. o, = games (Round to one decimal place as needed.)
GROUP A: 2. The amount of the demand of deposits made daily in a certain banking agency, is random with normal distribution of average 120 currency units and variance 64. Determine: (a) the percentage of days on which the amount of demand deposits is between 105 and 135 currency units. (B) the probability that the amount of deposits is higher than the average, in the days when this amount is less than 125 currency units. wwwwwwwww (C) the average and variance of the amount of demand deposits made weekly (consider that a week has 5 days). (D) the lower limit of the amount of deposits which is 90% of the days.
Spectrum provides cable television and internet service to millions of customers. Suppose that the management of Spectrum subjectively assesses a probability distribution for the number of new subscribers next year in the state of New York as follows. f(x) 100,000 0.05 200,000 0.20 300,000 0.25 400,000 0.35 500,000 0.10 600,000 0.05 (a) Is this probability distribution valid? Explain. This probability distribution ---Select--- valid because ---Select--- | for x = 100,000, 200,000, 300,000, 400,000, 500,000, 600,000. Also, f(x) (b) What is the probability Spectrum will obtain more than 400,000 new subscribers? (c) What is the probability Spectrum will obtain fewer than 200,000 new subscribers?
The number of household members, x, living in Cityville homes has the following probability distribution: 1 3 4 7 8 P(x) 0.21 0.28 0.16 0.22 0.06 0.04 0.02 0.01 What is the expected size of a household in Cityville? O 3.17 0 4.50 O 2.89 O 2.43
Suppose the following data represent the ratings (on a scale from 1 to 5) for a certain smart phone game, with 1 representing a poor rating. Complete parts (a) through (d) below. Frequency 2781 Stars 1 2011 3778 4 4864 10,730 (a) Construct a discrete probability distribution for the random variable x. Stars (x) P(x) 1 4 IRound to throo derimal nlaree ae naodard
Solve the following problems. 1. A bakeshop owner determines the number of boxes of hopia that are delivered each day. Find the mean of the probability distribution shown. Number of Boxes (X) Probability P (X) 35 0.10 36 0.20 37 0.30 38 0.30 39 0.10 2. The probabilities that a surgeon operates on 3, 4, 5, 6, or 7 patients in any day are 0.10, 0.20, 0.15, 0.30 and 0.25, respectively. Find the mean of the probability distribution using the formula. 3. Suppose your wallet contains ten P20 bills, five P50 bills, three P100 bills, one P500 bill, and one P1000 bill. Find the u of this distribution and interpret the result.
3
The following table represents the probability of the number of cars owned by a college student. Give your answer to at least 3 decimal places.

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