In the Framingham Offspring study 3630 subjects were on anti-hypertensive medication out of 4657 total subjects. What is the length of the 99 percent confidence interval for this data.

Q: Question 1 The data below shows the SAT scores of 30 students at Martin Luther King High School in F...

A: Given : Sample size (n) =30 Data (X) 1561 1554 1536 1531 1523 1518 1515 1511 1...

Q: researcher found that 85% of white ash trees in Pennsylvania are damaged by the emerald green ash bo...

A:

Q: A researcher studying public opinion of proposed Social Security changes obtains a simple random sam...

A: Given that a)The 20% of researchers must ask____ more American adults is

Q: Explain why we have N1 + N2 - 2 degrees of freedom when we pool the variances. (In other words, why...

A: Degrees of freedom are nothing but the free choices available to the researcher to be made or degree...

Q: In a large high school, 37% of the teachers believe that five minutes is not enough time for student...

A: 37% teacher and 89% students believes that 5 minutes is not enough Now : 28 teachers and 100 student...

Q: what percent of the scores lie between 247 and 517.

A: The mean SAT verbal score is 427, with a standard 4) deviation of 90.  Here use imipirical rule

Q: The juror pool for an upcoming trial contains 100,000 individuals in the population who may be calle...

A: Given : The juror pool for an upcoming trial contains 100000 no. of individuals in the population wh...

Q: There is a double log function, what will "a" and "b" equal if the function is a line with a slope o...

A: Explanation:Here given the log function a and b if the function line with a slope of 2  For this exp...

Q: A company wishes to test if the new software system installed improved the mean waiting time for a c...

A:

Q: A tyre manutacturer randomly samples 40 tyres at the end of each shift to test for tyres that are de...

A:

Q: A researcher is interested in determining the average number of years employees of a company stay wi...

A: Sample size=n=?   

Q: 1. Give below is the data on production of a company (in lakhs). Year: 1983 1984 1985 1986 1987 1988...

A:

Q: are still in service. Cindy's service just started. Then what is the probability that Cindy's servic...

A:

Q: epare temperature on that day using z = 2.33. What probability, or level of confidence, will be atta...

A: We have given that the z-score z = 2.33

Q: For a certain species of snake, the mean length of an adult is 63.4 cm with a standard deviation of ...

A:

Q: 1. A. The Central Limit Theorem is used to approximate the distribution of the sample means over the...

A: Since you have posted multiple questions, as per our guidelines, we have provided answer for first q...

Q: A survey of 1000 randomly selected smartphone users found that 86.1% of them used an Android smartph...

A: For the given data Find EBP = ?

Q: The following frequency distribution summarizes the counts of purchases by day of the week for a maj...

A: The given problem is based on finding the relative frequency distribution and construction of a bar ...

Q: A regression analysis with formula y 30 • 2x has a standard error of 1, and a t-statistic of 2.0. Th...

A:

Q: Determine the value of c and the covariance and correlation for the joint probability mass function ...

A:

Q: Q - A school has a classroom with 8 boys and 12 girls. 6 students are to be selected from that class...

A:

Q: Question 7 Why can't a researcher just run multiple t tests when the independent variable has more t...

A:   Given problem Given that   Why can't a researcher just run multiple t tests when the independent v...

Q: Use the given data set to complete parts (a) through (c) below (Use a 0 05) 10 12 13 12 73 9 11 14 6...

A:

Q: Which of the following statements is NOT true about Central Limit Theorem? A. The population mean an...

A: The aim of the objective is to identify the appropriate option, by interpreting the Central Limit Th...

Q: A candy dish contains six brown and four red M&Ms. A child selects four M&Ms without checking the co...

A: Given,no.of brown M&Ms=6no.of red M&Ms=4Total no.of M&Ms=10

Q: On their website, a property management company states that the mean monthly rent for apartments on ...

A: Here is given that population mean is 650 Sample mean is 642 and standard deviation is 17   and n is...

Q: Suppose Z is a random variable that follows the standard normal distribution. d) Find z0.06. e) Find...

A:

Q: 18. P(X 2 2.88)

A: ( 18 ) P (X>= 2.88 ) =?

Q: 6. 300- Real estate is typically reassessed annually for property tax purposes. This assessed value,...

A: Introduction: Denote β1 as the true slope of the regression line while predicting the actual sales p...

Q: A researcher wishes to estimate the average blood alcohol concentration (BAC) for drivers involved i...

A:  

Q: The distribution of the time until change (in days) of a Web site is approximated in the following t...

A:

Q: Suppose that the plurality with elimination method is used on the following preference table. If the...

A: In the given case, the majority mark (M) can be calculated as follows M=Sum of all votes2=3+8+6+102=...

Q: P Flag question Which of the following is not a requirement of the binomial probability distribution...

A:

Q: The explained variation in a regression model tells us: Whether the relationship is direct (positive...

A: We tell you which one is the correct choice.

Q: Model Summary Adjusted R Square Std. Error of the Estimate Model R Square .772 .596 .516 215.1509 a....

A:

Q: The mean length of a human pregnancy is 269 days, with a 6) standard deviation of 13 days. Use the E...

A:

Q: The price of stock A has a higher standard deviation than the price of stock B.  This tells that: a...

A: We have given that the statement “The price of stock A has a higher standard deviation than the pric...

Q: Statement: If X, and X, are two independent Cauchy variates with parameters (2,, 4) and (2,,u,) then...

A:

Q: If 12 = 0-5, r31 = 0-3, 123 = 0-45, find R3-12.

A:

Q: Let a population consist of the values 8 cigarettes, 20 cigarettes, and 21 cigarettes smoked in a da...

A: Given Let a population consist of the values 8 cigarettes, 20 cigarettes, and 21 cigarettes smoked i...

Q: A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 95% co...

A: Given,Lower bound=169.7Upper bound=172.7

Q: If n = 180 and p (p-hat) =0.07, find the margin of error at a 95% confidence level. Round to 4 place...

A:

Q: A World Health Organization study of health in various countries reported that in Canada, systolic b...

A:

Q: Based on the Normal model for car speeds on an old town highway N(77, 9.1), what is the cutoff value...

A:

Q: 21 % of the 100 students in Emmie Xi Hem International School students said that they had been late ...

A: given data p^ = 0.21sample size n = 100

Q: Determine the value of c and the covariance and correlation for the joint probability mass function ...

A: A probability mass function satisfies f(x,y )>0 ∑∑f(x,y) =1  

Q: A simple random sample of size n=81is obtained from a population with μ=82 and σ=36. ​(a) Describe t...

A:

Q: What is the probability that out of 60 lambs born on BaaBaa Farm, at least 31 will be male? Assume t...

A:

Q: An education researcher was interested in examining the effect of the teaching method and the effect...

A: Teachers = 4 Teaching methods = 3 Students are randomly assigned to teacher and teaching method  

Q: 1. For each of the following assertions, state whether it is a legitimate statistical hypothesis and...

A: