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The serum cholesterol levels of 12 to 14 years olds follow normal distribution with mean 162mg/dl and standard deviation 28mg/dl. For the serum cholesterol distribution Find out:
a) the 80th percentile
b) the 20th percentile
Statistics and Probability, Statistics
You ask your roommate to mail a letter for you. Suppose there is a 0.21 probability your roommate will forget to mail it. Should your roommate mail your letter, there is a 0.9 probability that Canada Post will deliver t ...
Jen and Barry calculate the overall cost per shift y for "Jen & Barry's Fast Fresh Salad Bags". They determine that 20 salad bags can be produced for a total cost of $80 and that 50 salad bags can be produced for total c ...
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?
Forty-nine percent of US teens have heard of a fax machine. You randomly select 12 US teens. Find the probability that the number of these selected teens that have heard of a fax machine is exactly six (first answer list ...
A researcher calculates a 90% confidence interval of (3397, 3421) to estimate the population birth weight using a random sample of 84 babies born to mothers with gestational diabetes. She wants to compare this range to t ...
A student recieves the grades shown below, with an A worth 4 points, a B worth 3 points, a C worth 2 points, and a D worth 1 point. What is the students grade point average? A in 1 four - credit classes C in 1 three - cr ...
You are working for a large corporation and oversee a marketing research project. For this study, your questionnaire length is 10 minutes and the incidence is 35%, yielding a CPI is $23.00. Your company requires all rese ...
1. Given the following capital project data Cost of automation system (invoice):$730,000 Transportation and installation:$140,000 Training:$100,000 Firm's WACC:9% Firm's tax rate:35% Depreciation 5 years, straight line L ...
Why is sustainability in the sport industry linked to the green movement?
Your friend randomly chooses a square picture frame from the store. Let X be the height in inches of the picture frame. Based on your knowledge of the square picture frames at the store, you know that the expected height ...
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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
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