Determine whether or not the distribution represents a probability distribution.
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Q: The mean of a probability distribution is also known as the expected value. True or False
A: The mean of a probability distribution is also known as the expected value.True or False
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- Assume that 12 jurors are randomly selected from a population in which 76% of the people are Asian-Americans. Refer to the probability distribution table below and find the indicated probabilities. Find the probability of 6 or fewer Asian-Americans among 12 jurors.P(x≤6)=We are interested in analyzing data related to college football. Use S to denote the team is in the SEC and use W to denote a team has a winning season. The probability that a team is in the SEC in the data set is 5.5%. The probability that a team has a winning season is 52.5%. The probability that a team is in the SEC and has a winning season is 3.55%. What percentage of teams are in the SEC or had a winning season? b. What percentage of people teams are in the SEC and did NOT have a winning season? Given a team had a winning season, what is the probability that they are in the SEC? а. с.College students are randomly selected and arranged in groups of three. The random variable x is the number in the group who say that they take one or more online courses. 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. A. Yes, the table shows a probability distribution. B. No, the sum of all the probabilities is not equal to 1. C. No, the random variable x is categorical instead of numerical. D. No, the numerical values of the random variable x are not associated with probabilities. E. No, not every probability is between 0 and 1 inclusive. 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. OA. H= students (Round to one decimal place as needed.) O B.…
- The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. Complete parts (a) and (b) below. E Click the icon to view the data on business degrees. ..... (a) Find the probability that a randomly selected student is male, given that the student received a business degree. The probability that a randomly selected student is male, given that the student received a business degree, is (Round to three decimal places as needed.) Business Graduates (b) Find the probability that a randomly selected student received a business degree, given that the student is female. The probability that a randomly selected student received a business degree, given that the student is female, is (Round to three decimal places as needed.) Business degrees Nonbusiness degrees Total Male 199,313 600,822 800,135 1,065,757 1,865,892 Female 177,694 888,063 Total 377,007 1,488,885 Print DoneDefine probabilityPlease, help me. I need the right answer.
- College students are randomly selected and arranged in groups of three. The random variable x is the number in the group who say that they take one or more online courses. 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. A. Yes, the table shows a probability distribution. B. No, the numerical values of the random variable x are not associated with probabilities. C. No, the random variable x is categorical instead of numerical. D. No, the sum of all the probabilities is not equal to 1. E. No, not every probability is between 0 and 1 inclusive. 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. O A. μ= students (Round to one decimal place as needed.) OB.…aren probabilities thata customer will rent 0 1.2.3.or 4 DVDS on a single visit to the rental store are0.4, 0.25,0.1,0.15, and 0.1, respectively, Construct a probability distribution for the given data then construct a graph for the probability distribution.Keke's Kookies (https://kekekookies.com/) sells mini cookies in packs of 5 and has determined a probability distribution for the number of cookies that they sell in a given day. X = #sold 0 5 10 15 20 Probability 0.27 0.12 0.23 ...? 0.1 a. What is the probability of selling 15 mini cookies in a given day? b. What is the probability of selling 5 to 15 mini cookies in a given day? c. Find the expected number of mini cookies sold in a day using the discrete probability distribution. d. Find the variance of the number of mini cookies sold in a day using the discrete probability distribution. Round off your answer to the nearest two decimal places. e. Find the standard deviation of the number of mini cookies sold in a day using the discrete probability distribution. Round off your answer to the nearest two decimal places.
