weukd you favor spendng more federal tax meney en the arts? of a random sample of n, 237 women, r, proportien of women and the population propertion of men who favor spending mere federal tax dellars on the (a) what is the level ef stgnifcance?

A researcher is curious about the average IQ of registered voters in the state of Florida. If this average could be obtained, it would be an example of a (a) parameter (b) population (c) sample (d) statistic (e) None of the above

16.

During a blood-donor program conducted during finals week for college students, a blood-pressure reading is taken first, revealing that out of 300 donors, 43 have hypertension. All answers to three places after the decimal. 1)Assuming our sample of donors is among the most typical 99.9% of such samples, the true proportion of college students with hypertension during finals week is between____and____. 2)Covering the worst-case scenario, how many donors must we examine in order to be 95% confident that we have the margin of error as small as 0.01? 3)Using a prior estimate of 15% of college-age students having hypertension, how many donors must we examine in order to be 99% confident that we have the margin of error as small as 0.01?

True or False

21a)

On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 120 and a standard deviation of 18. Suppose one individual is randomly chosen. Let X = IQ of an individual.a. What is the distribution of X? X ~ N(,)b. Find the probability that a randomly selected person's IQ is over 117.  Round your answer to 4 decimal places.c. A school offers special services for all children in the bottom 5% for IQ scores. What is the highest IQ score a child can have and still receive special services? Round your answer to 2 decimal places.d. Find the Inter Quartile Range (IQR) for IQ scores. Round your answers to 2 decimal places.Q1: Q3: IQR:

12.2.85 Question Help A survey of 1049 adults in a country, asking "As you may know, as part of its effort to investigate terrorism, a federal government agency obtained records from larger telephone and Internet companies in order to compile telephone call logs and Internet communications. Based on what you have heard or read about the program, would you say that you approve or disapprove of this government program?" Of those surveyed, 566 said they disapprove. a. Determine and interpret the sample proportion. b. At the 10% significance level, do the data provide sufficient evidence to conclude that a majority (more than 50%) of adults in the country disapprove of this government surveillance program? Click here to view page 1 of the table of areas under the standard normal curve. Click here to view page 2 of the table of areas under the standard normal curve. a. The sample proportion is (Round to two decimal places as needed.)