In a survey of 3213 adults aged 57 through 85​ years, it was found that 83.9​% of them used at least one prescription medication. Complete parts​ (a) through​ (c) below. a. how many of the 3213 subjects used at least one prescription medication?  b. construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. c. what do the results tell us about the proportion of college students who use at least one prescription medication?

Q: Given that 200 items of 800 are defective, construct the following confidence intervals for the…

A:

Q: We are interested in comparing the percentage of females versus males who expect their future to be…

A:

Q: In a survey of 3239 adults aged 57 through 85 years, it was found that 85.8% of them used at least…

A: Given : n=3239 p^=85.8%=0.858The formula for confidence interval for population proportion is…

Q: Refer to the data set of 20 randomly selected presidents given below. Treat the data as a sample and…

A: Given that            sample size, n=20 Here, we have to construct a​ 95% confidence interval…

Q: In a survey of 3005 adults aged 57 through 85 years, it was found that 81.7% of them used at least…

A: Given :  n = 3005 p̂=0.817

Q: 1.     Ten students on a low-fat diet designed to lower their cholesterol and recorded their before…

A: The data is given, Level of significance = α = 1- 95% = 1-0.95 = 0.05 sample size = n = 10 a) Here…

Q: In a survey of 3153 adults aged 57 through 85​ years, it was found that 86.8​% of them used at least…

A:

Q: of 3269 adults aged 57 through 85​ years, it was found that 85.7% of them used at least one…

A: The number of people among the 3269 subjects who used at least one prescription​ medication is…

Q: A survey of several 8 to 11 year olds recorded the following amounts spent on a trip to the mall:…

A: The amounts spent on a trip to the mall is 19.36,29.95,7.82,8.36,21.07,14.06,22.22

Q: In a survey of 3320 adults aged 57 through 85​ years, it was found that 83.5​% of them used at least…

A: Given that n=sample size= 3320  Point estimate=p^=83.5%=0.835a) The number of people who used at…

Q: a survey of 3088 adults aged 57 through 85​ years, it was found that 87.1​% of them used at least…

A: The formula for computing confidence interval is,  n is the sample size and P is the proportion.

Q: In a survey of 3422 adults aged 57 through 85​ years, it was found that 82.7​% of them used at least…

A:

Q: A May 2000 Gallup poll found that 38% of a random sample of 1012 adults in the United States said…

A: (a)   Obtain the 96% confidence interval to estimate the true proportion of all U. S. adults who…

Q: n a survey of 500 students, 180 students said that they prefer classes on Mondays and Wednesdays…

A:

Q: . How many of the 3335 subjects used at least one prescription​ medication? b. Construct a​ 90%…

A: n = 3335 p = 0.804

Q: In a survey of 3234 adults aged 57 through 85​ years, it was found that 88.9% of them used at least…

A:

Q: What proportion of homes for sale in Ohio are sold through a real estate agency? In a survey of a…

A: The confidence interval is 0.69 to 0.81.

Q: A telephone poll of 1,000 adult Americans was reported in an issue of Time Magazine. One of the…

A: (a) Given that, Critical values: By using the standard normal table of Z, the critical value at…

Q: In a survey of 3110 adults aged 57 through 85 years, it was found that 87.9% of them used at least…

A:

Q: 829 adult were surveyed in one city, and 51% of them are opposed to the use of the photo-cop for…

A: Given data: n = 829 p = 0.51

Q: The International Nanny Association (INA) reports that in a sample of 928 in- home child care…

A: Solution: A. Let X be the number of number of nannies who have passed the INA certification exam and…

Q: line underneath the problem like this. Use the following data to answer the following problems. The…

A: Confidence Intervals:- The 95% confidence interval for the Hearing Aid group scores is [12.15,…

Q: In a survey of 3015 adults aged 57 through 85 years, it was found that 85.6% of them used at least…

A:

Q: In a survey of 3444 adults aged 57 through 85​ years, it was found that 85.9​% of them used at least…

A:

Q: In a survey of 3115 adults aged 57 through 85​ years, it was found that 86.1​% of them used at…

A:

Q: In a survey of 3432 adults aged 57 through 85 years, it was found that 81.5% of them used at least…

A:

Q: n a survey of 3159 adults aged 57 through 85​ years, it was found that 86.2​% of them used at least…

A: Given: n = 3159 p =86.2​% = 0.862 The number of subjects used at least one prescription​ medication…

Q: In a survey of 3172 adults aged 57 through 85 years, it was found that 88.3% of them used at least…

A:

Q: Use the following information to construct a 90%,95%,& 99% confidence interval : Sample Mean: 111.7…

A:

Q: In a survey of 3354 adults aged 57 through 85 years, it was found that 82.5% of them used at least…

A: Sample size = n = 3354 Sample proportion = p̂ = 0.825

Q: In a survey of 3473 adults aged 57 through 85​ years, it was found that 84.6% of them used at least…

A:

Q: In a survey of 3393 adults aged 57 through 85​ years, it was found that 82.8​% of them used at least…

A: (a). Obtain the number of subjects who used at least one prescription medicine: It is given that…

Q: 14) A student survey was conducted at a major university. A random sample of 99 students reported…

A: From the given information, total number of students in the sample n = 99. Number of female students…

Q: 3469 adults aged 57 through 85​ years, it was found that 85.6​% of them used at least one…

A: It is given that sample size (n) is 3,469 and p hat value is 0.856.

Q: In a survey of 3048 adults aged 57 through 85​ years, it was found that 80.3​% of them used at least…

A: Given that,   (a) The no. of the subjects used at least one prescription​medication is,

Q: In a survey of 3293 adults aged 57 through 85​ years, it was found that 80.8​% of them used at least…

A: Given Information Total adults(n) = 3293

Q: Listed below are the amounts of net worth​ (in millions of​ dollars) of the ten wealthiest…

A: Sample size(n)=10sample mean(x¯)=171standard deviation(s)=33.79020degrees of…

Q: In a survey of 3303 adults aged 57 through 85 years, it was found that 89.8% of them used at least…

A: It is given that sample size (n) is 3,303 and p hat is 0.898.

Q: In a survey of 3098 adults aged 57 through 85 years, it was found that 80.2% of them used at least…

A: Let the total number of adults aged 57-85 years old in a survey be n = 3098 . Let the proportion of…

Q: In a survey of 3116 adults aged 57 through 85​ years, it was found that 86.2​% of them used at least…

A:

Q: What percentage of the population live in their state of birth? According to the U.S. Census…

A: The average percentage across all states and the district of Columbia is 57.7%.Sample size Number of…

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.