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A local bank wants to install motion detector burglar alarms. Each has a 70% chance of detecting a burglar. If the bank wants to be 99% certain of detecting a burglar how many need to be installed?
Statistics and Probability, Statistics
"Jen & Barry's Fast Fresh Salad Bags" starts with $280,000 invested. Jen and Barry pay 20% down and finance the balance with a 20-year small business loan at 4.5% compounded monthly. What is the amount of their monthly l ...
In a random sample of 100 college student 60 were females, 65 were under 21 years of age and 15 males were 21 years of age or older, a student is selected at random from the sample. What is the probability that a female ...
How do I figure a cusomer's expected return when borrowing money? Example, the customer wants an investment that costs $100 and considers borrowing $80 for one year at 4.6% to help pay for the investment. What is the cus ...
Fifth Fourth National Bank has a savings program which will guarantee you $11,000 in 12 years if you deposit $60 per month. What APR is the bank offering you on this savings plan?
At a large university, the probability that a student take calculus and is on the dean's list is 0.048. The probability that a student is on the dean's list is 0.29. Find the probability that the student is taking calcul ...
A national air traffic control system handled an average of 47,556 flights during 28 randomly selected days in a recent year. The standard deviation for this sample is 6,251 flights per day. Complete parts a through c be ...
'"Consider the average home mortgage in New Zealand of $283 000 where the standard deviation of the mortgages is $50 000 and home mortgages are normally distributed. If a home is known to be more than $250 000, what is t ...
How to calculate the sample space? Problem: Consider the experiment of drawing two cards from a deck in which all picture cards have been removed and adding their values (with ace = 1)
According to a Field Poll, 258 out of 602 of California adults feel that "education and our schools" is one of the top issues facing California. We wish to construct a 90% confidence interval for the true proportion of C ...
Sixty-seven percent of adults have looked at their credit score in the past six months. If you select 31 customers, what is the probability that at least 20 of them have looked at their score in the past six months?
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As