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A newspaper article reported that people spend a mean of 7 hours per day watching TV, with a standard deviation of 1.9 hours. A psychologist would like to conduct interviews with the 5% of the population who spend the most time watching TV. She assumes that the daily time people spend watching TV is normally distributed. At least how many hours of daily TV watching are necessary for a person to be eligible for the interview? Carry your intermediate computations to at least four decimal places. Round your answer to at least one decimal place.
without regard to order in how many way can you select four individuals from a group of seven? please show
For M = 2 samples, find h = [h0 h1]', the coefficients of the optimum linear prediction filter of Xn+1, given Xn-1 and Xn. What is the mean square error of the optimum linear predictor?
Compute sample mean. Assume that desirable value for this solution has been specified to be 65.0 grams per liter. Compute sample variance and sample standard deviation.
Compute the incidence proportion or the risk ratio that compares group 1 to group 0, and compute the Incidence proportion or the risk ratio which compares group 2 to group 0. Then post a summary of your findings.
A coworker is considering the use of a log linear (power) model using weight to estimate the cost of a missile engine. They have performed the following calculations in log space using natural logarithms.
The grade point averages of 10 students are listed below. Find the median grade point average. 3.15, 3.62, 2.54, 2.81, 3.97, 1.85, 1.93, 2.63, 2.50, 2.80
I need the answers of these questions and I have seen these questions in your website. Task 3 LO3: Understand the role of the major EU institutions. Task 3a The Communities Act 1972, which gives legitimacy to the UK's membership of the EU is under..
To do this, he selects 16 bags of tortilla chips of this brand at random and determines the net weight of each. He finds a sample mean of 13.88 oz. with a standard deviation of s = 0.24 oz.
at one time the cholesterol levels for women aged 20 to 34 follow an approximately normal distribution mean 185
At a computer manufacturing company, the actual size of computer chips is normally distributed with a mean of 1 centimeter and the standard deviation of 0.1 centimeter. A random sample of 12 computer chips is taken. What is the possibility that th..
Is there evidence that the change was successful in reducing the wait time? (use 0.05 level of significance)
Find the correlation between number of contracts sold and average contract price. What does this correlation mean - What happened to the R2 as you added independent variables to the model? Will this always happen? Explain.
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