According to past reports 51% of employees own a car. In a random sample of 106 employees, how many employees are expected to own a car?
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According to past reports 51% of employees own a car.
In a random sample of 106 employees, how many employees are expected to own a car?
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- If 61% of Americans believe most school textbooks favor political correctness over accuracy, how many Americans in a group of 50 would you expect to believe this?A survey of Hoosiers found that 47%47% are Pacers fans, 54%54% are Colts fans, and 25%25% are Pacers fans but not Colts fans. What proportion of those surveyed are Colts fans but not Pacers fans?A business sent out a survey to it's customers in two groups; one under 30 years old (group 1) and one over 30 years old (group 2). Customers were asked if they preferred to purchase items online or in store. Out of 300 customers under 30 (group 1), 180 said that they purchased online. Out of 300 customers over 30 (group 2), 170 said that they purchased online. Is there a difference in the population proportion who purchased online? The business wanted to test the hypothesis Ho: P2 P1 O versus Ha: P2 - P₁ does not equal Ö. What is the p-value? Use JMP and round the p-value to two decimal places.
- In 2014, what ratio of construction worker injuries resulted in death?a.1 out of 5Correctb.1 out of 50Incorrectc.1 out of 100Incorrectd.1 out of 1,000From the given scenario, define the population proportion. In 2019, a national survey organization asked the question "Do you go on more than two vacations per year?" to a random sample of 2,000 Americans. 580 responded "Yes", while the other 1,420 people responded "No". Group of answer choices: A) the proportions of the sampled Americans who go on more than two vacations per year B) the proportion of all Americans who go on more than two vacations per year C) the 1,420 people who responded "No" D) the 2,000 AmericansThe probability that a house in an urban area will be burglarized is 5%. If 20 houses are randomly selected, what is the mean of the number of houses burglarized? O A. 0.5 OB. 10 O C. 1 O D. 1.5 C
- According to a survey in a country, 18% of adults do not own a credit card. Suppose a simple random sample of 900 adults is obtained.Determine whether the underlined number is a statistic or a parameter. in a study of all 4622 professors at a college, it is found that 40% own a television.According to the National Center for Education Statistics, 43% of the college students work full time. A survey of 900 randomly selected college students is to be conducted. For such groups of 900, would it be unusual to get 735 college students who work fulltime?
- To collect data about the number of students in your high school who have a part time job, which of the following methods is most likely to lead to a sample that is the most representative of the students in your school? Interview all the girls in the school. Ask the principal. Interview all the students in 9th grade. Assign each student in the school a number and randomly select students to be interviewed. Interview all the students who are on the sports teams in the school.A researcher is curious about the average monthly car insurance bill for high school students in the state of Flordia. If this average could be obtained, it would be an example ____. a. statistic b. population c. parmeter d. sampleFrom the given scenario, define the population proportion. In 2019, a national survey organization asked the question "Do you go on more than two vacations per year?" to a random sample of 2,000 Americans. 580 responded "Yes", while the other 1,420 people responded "No". Group of answer choices: A) the proportions of the sampled Americans who go on more than two vacations per year B) the proportion of all Americans who go on more than two vacations per year C) the 1,420 people who responded "No" D) the 2,000 Americans