Question 5 According to the Bureau of the Census, the following statistics describe the number (in thousands) of young adults living at home or in a dormitory in the year 2004. Male Female Ages 18-24 106 116 Ages 25-34 106 90 Choose one student at random. Find the probability that the student is a male given that he aged 18-24. Note: Only the final answer should be rounded-off to TWO decimal places.
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- A researcher randomly purchases several different kits of a popular building toy. The following table shows the number of pieces in each kit in the sample. Find the mean of the data. Round your answer to the nearest hundredth, if necessary. Building Toy Pieces 152 37 257 342 342 37 96 288 257 101 162 200 Copy DataWe 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.A graduating class reported starting salaries represented on the following frequency table. Number of students Starting Salary ($) 10 15,000 17 20,000 25 25,000 38 30,000 27 35,000 21 40,000 45,000 For the data in the table above, what is the MEAN?
- 75% of owned dogs in the United States are sprayed or neutered. Round your answers to four decimal places. If 35 owned dogs are randomly selected, find the probability that. I just need help on questions C and D.A poll showed that 52.7% of Americans say they believe that life exists elsewhere in the galaxy. What is the probability (in percent form) of randomly selecting someone who does not believe that life exists elsewhere in the galaxy. Please round your answer to one decimal placeWe believe that 77% of the population of all Business Statistics students consider statistics to be an interesting topic. Suppose we randomly and independently select 24 students from the population. If the actual percentage is really 77%, find the probability of observing 23 or more students who find statistics to be an interesting topic. Round to six decimal places.
- At a used-book sale, 106 books are adult books and 150 are children's books. Of the adult books, 72 are nonfiction, while 65 of the children's books are nonfiction. If a book is selected at random, find the probability of selecting the books for the following. Round the answers to three decimal places. a. Fiction b. Not a children’s nonfiction book c. An adult book or a children’s nonfiction bookA poll showed that 68.5% of Americans say they believe that statistics teachers know the true meaning of life. What is the probability (in percent form) of randomly selecting someone who does not believe that statistics teachers know the true meaning of life.The General Social Survey is an annual survey given to a random selection of about 1500 adults in the United States. Among the many questions asked are "What is the highest level of education you've completed?" and "If you're employed full-time, how many hours do you spend working at your job during a typical week?" In a recent year, 1079 respondents answered both questions. The summary statistics are given in the chart below. (The sample data consist of the times, in hours per week, that were given by the respondents.) Sample Sample Sample size Groups mean variance Less than h.s. High school Bachelor's 258 40.9 101.8 263 41.8 97.5 270 42.2 94.4 Graduate 288 43.0 98.7 Send data to calculator Send data to Excel To decide if there are any differences in the mean hours per week worked by these different groups, we can perform a one-way, independent-samples ANOVA test. Such a test uses the following statistic. Variation between the samples F= Variation within the samples For the data from…
- 1. Use this table for the following questions: Female Male TotalShort Hair 20 40 60 Long Hair 30 10 40 Total 50 50 100 a. Complete a total probability table.b. Complete a row probability tablec. Complete a column probability table.d. The probability that a student does not have long hair. _________e. The probability that a student is male or has short hair. ________f. The probability that a student is a female and has long hair. _________g. The probability that a student is male, given that the student has long hair. _________h. The probability that a student has long hair, given that the student is male. _________i. Of all the female students, the probability that a student has short hair. ________j. Of all students with long hair, the probability that a student is female. _________k. The probability that a student is female or has long hair.…A poll showed that 44.5% of Americans say they believe that life exists elsewhere in the galaxy. What is the probability (in percent form) of randomly selecting someone who does not believe that life exists elsewhere in the galaxy. Probability = % (Please round your answer to one decimal place.) %3D Submit Question 17,123 NOV 1 16 tv MacBook Air 80 888 F3 F4 F5 F6 F7A poll showed that 54.6% of Americans say they believe that statistics teachers know the true meaning of life. What is the probability (in percent form) of randomly selecting someone who does not believe that statistics teachers know the true meaning of life.