4. Travel to Outer Space A CBS News/New York Times poll found that 329 out of 763 randomly selected adults said they would travel to outer space in their lifetime, given the chance. Estimate the true proportion of adults who would like to travel to outer space with 85% accuracy. Round your answers to at least three decimal places.

Q: According to CDC, among men aged 20-39 obesity is 40.5%--? = 0.405.   You take repeated samples of…

A: Given The data is as follows: n=650

Q: A random sample of medical files is used to estimate the proportion p of all people who have blood…

A: Given Information: Error (e)  = 0.07  confidence level = 99%  p = 0.5 (given)

Q: In a survey on supernatural experiences, 724 of 4,003 adult Americans surveyed reported that they…

A: Given Information:  Sample size (n) = 4003  Proportion (p) = 724/4003 = 0.1808

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A:

Q: Working at home: According to the U.S. Census Bureau, 42% of men who worked at home were college…

A: Given Data,                   n=514                   x=158

Q: Belief in Haunted Places A random sample of 230 college students were asked if they believed that…

A: Obtain the 90% confidence interval for the true proportion of college students who believe in the…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A:

Q: The manager of a resort hotel stated that the mean guest bill for a weekend is $800 or less. A…

A: Given: The manager of a resort hotel claims that the mean guest bill for a weekend is $800 or less…

Q: Sleep apnea is a condition which the sufferers stop breathing momentarily while they are asleep.…

A:

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: a.Given no preliminary sample is taken to estimate proportion of small businesses that declared…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Solution: a. From the given information, confidence level is 0.99 and E=0.08. Since the proportion…

Q: A humane society claims that less than 73% of households in a certain country own a pet. In a random…

A: Given,n=500x=355p^=xn=355500=0.71α=0.05H0:P≥0.73Ha:P<0.73

Q: What proportion of students are accepted into Law School? You survey a random sample of 525 Law…

A:

Q: A Harris poll surveyed 2000  adults and found that 470 of them had one or more tattoos. A researcher…

A: Given, The sample proportion is, The null and alternative hypothesis is:

Q: a researcher wants to estimate a population proportion with a margin of error of 0.05. What is the…

A: Given that the margin of error is 0.05. Given confidence level is 95% Significance level is 5% From…

Q: There are 7360 tigers worldwide and the state of Texas has approximately 3861 tigers in captivity.…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: a.   Formula for sample size is, Let us consider the population proportion is 0.5. Given that…

Q: Running heart rate - Jose is a physician who is researching to what extent running affects heart…

A: One sample proportion test: One sample proportion test is used to compare the proportion of values…

Q: Travel to Outer Space A CBS News/New York Times poll found that 329 out of 763 randomly selected…

A: It is given that n=763 and x=329.

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: From the given information, the margin of error (E) is 0.12 and the confidence level is 0.98.

Q: Sleep apnea is a condition in which the sufferers stop breathing momentarily while they are asleep.…

A: Claim : the percentage of commercial truck drivers who suffer from sleep apnea is not 4.1%

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Given Information :  The National Council of Small Businesses is interested in the proportion of…

Q: Sleep apnea is a condition in which the sufferers stop breathing momentarily while they are asleep.…

A:

Q: Travel to Outer Space A CBS News/New York Times poll found that 329 out of 763 randomly selected…

A: Given that the sample size is n = 763 And number of adults who said that they would travel to outer…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Given no primilinary sample is taken to estimate proportion of small businesses that declared…

Q: A researcher wishes to estimate the proportion of a fish in a certain lake that is inedible Due to…

A:

Q: Sleep apnea is a condition in which the sufferers stop breathing momentarily while they are asleep.…

A: We have to find test statastics.

Q: Running heart rate - Jose is a physician who is researching to what extent running affects heart…

A:

Q: Sleep apnea is a condition in which the sufferers stop breathing momentarily while they are asleep.…

A: Givenx=19n=308p^=19308=0.0617α=0.05

Q: Running heart rate - Jose is a physician who is researching to what extent running affects heart…

A: In this case, the claim to be tested: "The percentage of individuals with age between 18 and 25…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A:

Q: The owner of a bowling alley wants to estimate the percent of bowlers in the senior league. How…

A: Hi, you have posted multiple different question in one post . As per the guidelines I am obliged to…

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: a) Consider the proportion as 0.5. Computation of critical value: 1-α=0.95α=0.05α2=0.0251-α2=0.975…

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size…

A: Given that, Margin of error E=0.03 Confidence level is 90% Critical value: The two tailed z critical…

Q: The use of the internet is constantly growing.  How many randomly selected adults must be surveyed…

A: a) The confidence level is 99% Therefore, α = 0.01 and α/2=0.005. The margin of error is .02 Since…

Q: 8. A researcher is interested in knowing whether the proportion of childless couples in a community…

A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: (a) Given: Sample Size for 98% CI , E=0.12 without p^ Confidence level =98% Desired Margin of…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: From the provided information, Margin of error (E) = 0.11 Confidence level = 95%

Q: A medical researcher says that less than 72% of adults in a certain country think that healthy…

A: The following information is provided: The sample size is N=600N = 600, and the sample proportion is…

Q: The manager of the Danvers-Hilton Resort Hotel stated that the mean guest bill for a weekend is $600…

A: From the given information,   The manager of the Danvers-Hilton Resort Hotel stated that the mean…

Q: A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What…

A:

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: It is given that confidence level is 0.98, and margin of error E is 0.10.

Q: It has been reported that 9% of Canadians have seen a doctor last month. A skeptical researcher…

A: Solution

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: It is given that margin of error (E) is 0.03 and the confidence level is 0.99.

Q: Life on Other Planets Forty-five percent of people believe that there is life on other planets in…

A: State the hypotheses. That is, there is no sufficient evidence to conclude that the percentage…

Q: A medical researcher says that less than 82% of adults in a certain country think that healthy…

A: Here, the test is left tailed test.

Q: A survey of 2314 adults in a certain large country aged 18 and older conducted by a reputable…

A:

Q: Netflix is considering a new romcom (romantic comedy) series. Before making a final decision, the…

A:

Q: Sleep apnea is a condition in which the sufferers stop breathing momentarily while they are asleep.…

A:

Q: A recent study indicated that 24% of the 150 women over age 55 in the study were widows. Round up…

A: Given That  Margin of error =E =0.02 Population proportion p=24%=0.24 90% confidence interval.

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.