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Economics and Finance Some of the variables that affect the monthly payment of a new-car loan are the total amount borrowed, the interest rate, and the length of the loan. During the fourth quarter of 2012, the mean length of a new-car loan was 65 months, a record high according to Experian.28 Suppose the length of a new-car loan is approximately normal with standard deviation nine months.a. What is the probability that a new-car loan is for at most 48 months?b. What is the probability that a new-car loan length is between 50 and 70 months?c. Find a symmetrical interval about the mean such that 95% of all new-car loan lengths fall in this interval.d. Suppose the amount borrowed on a new-car loan is also approximately normal with mean $20,000 and standard deviation $5000. If the length of the loan and the amount borrowed are independent, what is the probability that the loan will be for more than $27,000 and for less than 60 months?
Find the expected value when you pick 4 and when you pick 5, betting $1 each time. Based on your results from parts a and b, are you better off picking 4 numbers or picking 5? Explain your reasoning.
A CNN/Time poll conducted in the United States October 23-24, 2002, asked, "Do you favor or oppose the legalization of marijuana?"
a researcher is interested in whether students who attend private elementary schools do any better on s standard test
A statistical analysis of 1,000 long-distance calls made from the headquarters of the Bricks and Clicks Computer Corporation indicates that the length of these calls is normally distributed with μ = 240 seconds and σ = 40 seconds.
Show that the difference between the type A and type B account values at the end of the year is the same as the difference between the type B and type A COI for that period, accumulated with interest to the end of the..
A container of liquid laundry detergent promises over 100 loads from the bottle. You sample 45 bottles and find a mean of 102 loads with a standard deviation of 3.75 loads. At the 0.01 level of significance, is the manufacturer's claim supported?
The cayenne tick is recognized as a pest of wildlife, livestock, and humans. It is distributed in the western hemisphere between 30N and 30°S latitudes. This tick has been identified as a potential vector of several diseases,
Bent ford Electronics-Part 1 On Saturday morning, Jennifer Bent ford received a call at her home from the production supervisor at Bent ford Electronics Plant.
A DC motor control system with unity feedback has the form shown in Figure AP10.4. Select K1 and K2 so that the system response has a settling time (with a 2% criterion) less than 1 second and an overshoot less than 5% for a step input.
mary had a foul shot average of 60 making 12 of 20 shots bill had a foul shot average of 50 making 5 of 10 shots in
What is the probability of type AB blood in the United States? What is the probability that a Canadian's mother tongue is not English
on the average there are 5 messages sent per hour to a computer bulletin board. on a period of three hours find the
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