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An insurance company sells $300 deductible annual automobile insurance policies to a certain category (age, driving records) for $1000.00 The insurance company has set four different accident types, and the probabilities associated with each accident type are given in the table below:
Type of accident ProbabilityNo accident 0.98
Damage caused=$1000 0.01
Damage caused=$3000 0.005
Damage caused=$5000 0.004
Damage caused=$10000 0.001
Let X be the net gain in the insurance company. Construct a tabular probability distribution for X.
What is your conclusion? Are the two variables independent?
A plus four 95% confidence interval for the difference between the two population proportions of wrist injuries is: A. 0.2909 ± 0.1674. B. 0.2909 ± 0.1069. C. 0.2909 ± 0.0907. D. 0.2909 ± 0.1275
All standard IQ test scores are normally distributed and are set up so that the mean score is 100. However, the standard deviation differs from test to test.
One approach would be to contact every psychology graduate student you know and ask them to fill out a questionnaire about it.
Determine the typical seasonal patterns for sales using the ratio-to-moving-average method. Project the sales for 2004, and then seasonally adjust each quarter.
Find the standard normal area for each of the following: (Round the answers to 4 decimal places.)
Given that Z is standard normal randam variable. Compute the value of Z if area between –Z and Z is 0.754:
Suppose that the service rate to a waiting line system is 10 customers per hour (exponentially distributed).
You listen to radio station for 1 hour, at arbitrarily selected time, and carefully observe that amount of advertising time is equal to 7 minutes. Compute z-score for this amount of advertising time.
To determine monthly rental prices of apartment units in San Francisco Bay area, samples were constructed in the following ways. Identify the technique used to produce each sample. (cluster, convenience, random, stratified, systematic):
Cards are drawn one by one from a standard deck of 52 cards. Let X be the number of draws up to and including when the first diamond is drawn. If the cards are replaced in the deck, determine E(X). If the cards are not replaced in the deck, determ..
A metropolitan school system consists of three school districts-norths, south, central. The north district contains 25% of all students, the south district contains 40%, and the central district contains 35%.
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