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For the survey in Exercise 1, estimate the population total using overall intersection probabilities.Exercise 1 In a survey to estimate the abundance of a rare animal species in a study region divided into N = 1000 units, an initial simple random sample of n = 100 units is selected. An adaptive cluster sampling design is used with adjacent units added to the sample whenever one or more of the animals is encountered. One of the units in the initial sample intersected a network of two units containing three of the animals, and another intersected a network of three units containing six animals. The other 98 units of the initial sample contained none of the animals. Estimate the total number of the animals in the population using draw-by-draw intersection probabilities and estimate the variance of the estimator.
given that a normal distribution withnbspmu103 andnbspsigma20 given that you select a sample of n25a. what is the
A check of dorm rooms on a large college campuses revealed that 38% had refrigerators, 52 percent had TVs and 21 percent had both a TV and a refrigerator. What's the probability that a randomly selected dorm room has.
a gmac mba new-matriculants survey provided the following data for 2018 students. given that a person applied to more
Create a 95% confidence interval for proportion of highly educated women who left careers for family reasons and who wish to return to work.
Determine the probability requested in part a if the nationwide proportion is 0.53. Determine the probability that between 8 and 12 of a sample of 20 first-time home buyers would take out no-money-down loans if the 43% value applies.
a test consists of 10 true or false questions. to pass the test a student must answer at least 8 questions correctly.
Suppose that 10 years ago the average annual expense for stock funds was 1.19 percent. Let µ be the current mean annual expense for all stock funds, and assume that stock fund annual expenses are approximately normally distributed.
peas are generated from parents having the greenyellow pair of genes so there is a .75 probability that an individual
What source of variation is found in an ANOVA summary table for a with in subjects design that is not in in an ANOVA summary table for a between subjects design. What happens to this source of variation in a between-subjects design?
The determination of the shear strength of spot welds is relatively difficult, whereas measuring the weld diameter of spot welds is relatively simple. Draw a scatter diagram. Find the least squares estimates of the regression coefficients
Serving in a bomber crew in World War II was dangerous. The British estimated that the probability of an aircraft loss due to enemy action was 1/20 for each mission.
a consumer testing agency obtains 4 cars randomly from each of the folliwng three makers 1 2 3. we wish to compare
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