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Heights of young adult U.S. women are approximately Normal with mean 64 inches and standard deviation 2.7 inches. What proportion of all U.S. young adult women are taller than 6 feet?
The lifetime of a 2-volt non-rechargeable battery in constant use has a Normal distribution with a mean of 516 hours and a standard deviation of 20 hours. The proportion of batteries with lifetimes exceeding 520 hours is approximately
The lifetime of a 2-volt non-rechargeable battery in constant use has a Normal distribution with a mean of 516 hours and a standard deviation of 20 hours. Ninety percent of all batteries have a lifetime less than
The most common intelligence quotient (IQ) scale is Normally distributed with mean 100 and standard deviation 15. Many school districts across the country seek to identify "Gifted and Talented" children for special enrichment programs. Typically, these children must have IQ scores in the top 5%. What is the minimum score to qualify a child for these programs?
Too much cholesterol in the blood increases the risk of heart disease. The cholesterol levels of young women aged 20 to 34 vary approximately Normally with mean 185 milligrams per deciliter (mg/dl) and standard deviation 39 mg/dl. About what percent of young women in this age group will have cholesterol levels less than 150 mg/dl?
Too much cholesterol in the blood increases the risk of heart disease. The cholesterol levels of young women aged 20 to 34 vary approximately Normally with mean 185 milligrams per deciliter (mg/dl) and standard deviation 39 mg/dl. Cholesterol levels for middle-aged men vary Normally with mean 222 mg/dl and standard deviation 37 mg/dl. Sandy is a young woman with a cholesterol level of 220. Her father has a cholesterol level of 250. Who has relatively higher cholesterol?
solve the problem and its dual, and relate the solutions to your sketch for question 1
Find the temp of the ice water after 30min.
one train travels 392 miles and 20 mph faster in the same time another train travels 322 miles. What is the speed of each train?
If thecompany desires, demand for a box may besatisfied by a box of larger size. Formulate and solve a shortest-path problem whose solution will minimize the cost of meeting the demand forboxes
The x- and y-coordinates of a moving particle are given by two parametric equations.. X= 2t^2+t Y= 2-5t
The measure of angle A is 66 degrees and side c = 60 yd.
Create a learning and development register that could be used to record training history and employee competency. What details should it contain?
Determine the population standard deviation for data - Determine if this data represents a normal distribution.
Find the postion vector r(t) and the velocity vector at any t. Find the maximum height Hm and the tim to get there. Find the time to get to the initial postion and find the velocity at this time.
An airplane is flying at an elevation of 5150 ft, directly above a straight highway. Two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 32° and to the other is 54°. How far apart..
Central Nursery has decided to adopt has decided to adopt activity-based costing. One likely reason the firm's accountants decided on this approach was to
Assuming an initial probability of 30% that the attack will succeed and no one is actually injured in the attack, what is the minimum amount of economic damage the Joker would have to inflict in an attack to justify this expenditure?
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