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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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A polling company conducted a survey of voters to obtain data for a political campaign. They selected 3500 voters randomly from the 16,800 names on the voter's registration lists of the country and found that 1365 intended to vote for candidate Doe. the sample proportion is?
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- how do you find the simple random sample of 15 restaurants?arrow_forwardThe city of Raleigh has 6,000 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 350 randomly selected registered voters was conducted. 151 said they'd vote for Brown, 191 said they'd vote for Feliz, and 8 were undecided.Use this information from the sample to complete the following statements about the population of all registered voters in Raleigh. Round your answers to the nearest person.Based on this sample, we could expect _____ of the 6,000 registered voters to vote for Brown. Based on this sample, we could expect _____ of the 6,000 registered voters to vote for Feliz. Based on this sample, _____ of the 6,000 registered voters are still undecided.arrow_forwardSteele Electronics Inc. sells expensive brands of stereo equipment in several shopping malls. The marketing research department of Steele reports that 33% of the customers entering the store that indicate they are browsing will, in the end, make a purchase. Let the last 23 customers who enter the store be a sample. a. How many of these customers would you expect to make a purchase? (Round the final answer to the nearest whole number.) Number of customer......... b. What is the probability that exactly five of these customers make a purchase? (Round the final answer to 4 decimal places.) c. What is the probability 13 or more make a purchase? (Round the final answer to 4 decimal places.) d. Does it seem likely at least one will make a purchase ("likely" refers if the probability is more than 70%)? Yes or Noarrow_forward
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- The city of Raleigh has 10200 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 400 randomly selected registered voters was conducted. 197 said they'd vote for Brown, 176 said they'd vote for Feliz, and 27 were undecided.Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. Note: The proportion should be a fraction or decimal, not a percent.197400 This sample statistic suggests that we might expect of the 10200 registered voters to vote for Brown.arrow_forwardA coach is interested in how many slam dunks the average college freshman at his university can do. Ten volunteers from the senior class step forward. After observing their performance, the coach concluded that college seniors can do an average of 10 slam dunks in a row without missing. what is the sample? what is the population?arrow_forwardHi, please find the sample for each random number. choosing an odd number from 1 to 11 at random.arrow_forward
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