A survey asked 33,083 homeowners how many pets they owned The results were as follows Number of Hom eowners 5476 Number of Pets 11,229 10,546 5147 4 or more 685 Total 33,083 What is the probability that a sampled homeowner has more than 1 pet? Report your answer as a decimal. Round to three places, if necessary Do not round intermediate computations.
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- 20 computer screens were randomly selected from a large collection of computer screens in a company’s warehouse. These 20 computer screens are referred to as the: test statistic. parameter. population. sample.Organ Donors USA Today provided information about a survey of 5100 adult Internet users. Of the respondents, 2346 said they are willing to donate organs after death. In this survey conducted for Donate Life America, 100 adults were surveyed in each state and the District of Columbia, and results were weighted to account for the different state population sizes. a. What percentage of respondents said that they are willing to donate organs after death? b. Based on the poll results, what is the probability of randomly selecting an adult who is willing to donate organs after death? c. What term is used to describe the sampling method of randomly selecting 100 adults from each state and the District of Columbia?You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 99% confident that the sample percentage is within 1.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n= (Round up to the nearest integer.) B- Assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat. n = (Round up to the nearest integer.)
- Use the standard normal probability chart, included in this exam, to look up the following numbers and draw the graph for each one. a. - .0492 b. 1.6 c. 1.06 d. -5.2Select the correct choice below and fill in the answer boxes to complete your choice (Type integers or decimals. Do not round.) A. One can be % confident that the mean drive-through service time of Taco Bell is between seconds and seconds. B. The mean drive-through service time of Taco Bell is of the time. OC. There is a seconds OD. One can be Taco Bell is % % probability that the mean drive-through service time of Taco Bell is between seconds and seconds % confident that the mean drive-through service time of secondsYou are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 95% confident that the sample percentage is within 5.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n = (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 34% of air passengers prefer an aisle seat. n = IDound un to the nearest integer)
- A company is selecting 6 people to be on a committee. There are 32 employees eligible to be on the committee. What is the total number of ways the committee may be formed if the employees are selected at random?a) 230230b) 906192c) 3914749440d) 652458240e) 165765600f) None of the aboveYou are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 95% confident that the sample percentage is within 4.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n= (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 32% of air passengers prefer an aisle seat. n= (Round up to the nearest integer.)Shown below are the lengths in minutes of 6 randomly selected Disney movies. Use the data to compute each of the items requested. Don't forget to put units on your answers. Bambi 69 Cinderella 74 The Rescuers 78 Dumbo 64 Monsters, Inc 92 Wall E 98 What is the sample mean?
- Suppose that in basketball you are successful on 71% of your free throw attempts. You take 16 free throws. Round your answers to three decimals if needed. a. How many of the attempts do you expect will be successful? b. What is the probability that you will make between (inclusive) 9 and 11 free throws? c. What is the probability that you make all your attempts? Submit Question orconducted this year indicates that 35% planned to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 85 business owners. a. How many business owners in the survey planned to provide a holiday gift to their employees this year? Round your answer to the nearest whole number. 30A random sample of 1700 Texas government employees were selected for a study on race. The table below shows the results of the survey. Outcome White The racial distribution for the state of Texas is shown in the second column below. Fill in the expected frequencies. (Round to the nearest whole number). Hispanic Black Observed Frequencies of Race from the Sample Outcome Observed Frequency White 697 Hispanic 714 Other Black Other 136 153 Frequencies of Race Expected Percent 37 41 10 12 Expected Frequency