With a sample size of 400
Q: Determine the sample size associated with the following formula. Remember to always round up to the…
A: Solution Answer is 112
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A: Given Average size = 1414 Companies = 31 The total population will be = 31*1414 =43834
Q: Find the p-value (decimal rounded to nearest 4 places) A company claimed that more than 75% of…
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Q: The state education commission wants to estimate the fraction of tenth grade students that have…
A: The objective of this question is to estimate the proportion of tenth graders reading at or below…
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A: Given that ; The mean weight of 32 math students is 42.6 kg. If the students could all stand on the…
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A: we need to find percentage of racers who did not complete the marathon
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A: When 500 junior college students were surveyed,120 said that they have previously owned a…
Q: A B .02 (.03 .07 .05 (.04.08 .20 .51
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Q: sample proportion is p= und to three decimal places as needed.)
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A: sample size(n)=515sample proportion()=0.458
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A: E=0.03 99% confidence interval for z=2.576 p=0.5
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Q: estimate the proportion of tenth graders reading at or below the eighth grade level. Ente
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Q: 130 students at a college were asked whether they had completed their required English 101 course,…
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Q: Given : Find r12,.4 =.6 ľ13.4 =.5 23.4 =.7 r12.34 and r13.24
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A: According to the provided information, 1003 randomly selected adults in the United States were asked…
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A: The number of students said yes (x) is 54 and the sample size (n) is 81.
Q: The Bangor Humane Society tracks cat adoptions closely. They sample 54 people who looked at cats…
A: Sample proportion = x/n Here x = 36 and n = 54
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A: Given,Q3=13.01Q2=median=10.84Q1=5.06
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A: Given, c=0.94 and E=2%=0.02.
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- A polling company reported that 37% of 2286 surveyed adults said that they play basketball. Complete parts (a) through (d) below. a. What is the exact value that is 37% of 2286? The exact value is (Type an integer or a decimal.) b. Could the result from part (a) be the actual number of adults who said that they play basketball? Why or why not? O A. No, the result from part (a) could not be the actual number of adults who said that they play basketball because a count of people must result in a whole number. O B. Yes, the result from part (a) could be the actual number of adults who said that they play basketball because the results are statistically significant. O C. No, the result from part (a) could not be the actual number of adults who said that they play basketball because that is a very rare activity. O D. Yes, the result from part (a) could be the actual number of adults who said that they play basketball because the polling numbers are accurate. c. What could be the actual…The Humane Society is interested in finding out how many households in America have at least one cat. How many households must be surveyed to be 95% confident that the estimate will be within 4% of the true population percentage?If the proportion of Heads is .25 out of 200 flips, what is the p-value? Round to three places.
- Prof. Leen wants to estimate the more than 92% percent of adults living in a large city have cell phones. Prof. Leen randomly selects 160 adult residents to determine whether they have cell phones. Of the 160 people sampled, 155 own cell phones. Find the p-value for the test. (Round the answer to three decimal places.)Suppose you are asked to toss a coin 16 times and calculate the proportion of the tosses that were heads?The state education commission wants to estimate the fraction of tenth-grade students that have reading skills at or below the eighth-grade level. Step 1 of 2 : Suppose a sample of 1134 tenth graders is drawn. Of the students sampled, 226 read at or below the eighth-grade level. Using the data, estimate the proportion of tenth graders reading at or below the eighth-grade level. Enter your answer as a fraction or a decimal number rounded to three decimal places.
- Based on a sample of 800 people, 48% owned catsThe test statistic is: (to 2 decimals)The p-value is: (to 2 decimals)A survey of 700 non fatal accidents showed that 287 involved defective equipment. Find a point estimate for p, the population proportion of accidents that involved defective equipment and round to 4 decimal places if needed.The nationwide adult smoking rate is 17.3%. In a random sample of 3647 American adults, how many of these are likely to smoke? Round to the nearest integer.
- The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the eighth grade level. Suppose a sample of 2552 tenth graders is drawn. Of the students sampled, 2119 read above the eighth grade level. Using the data, estimate the proportion of tenth graders reading at or below the eighth grade level. Enter your answer as a fraction or a decimal number rounded to three decimal places.82 students at a college were asked whether they had completed their required English 101 course, and 52 students said "yes". Find the best point estimate for the proportion of students at the college who have completed their required English 101 course. Round to four decimal places.In a recent year, the Better Business Bureau settled 73% of complaints they received. You have been hired by the Bureau to investigate complaints this year involving computer stores. You plan to select a random sample of complaints to estimate the proportion of complaints the Bureau is able to settle. Assume the population proportion of complaints settled for the computer stores is 0.73, as mentioned above. Suppose your sample size is 113. DO NOT USE THE EXCEL FORMULA. CALCULATE BY HAND OR WITH A CALCULATOR. 1. What is the probability that the sample proportion will be within 4 percent of the population proportion?
