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As baby boomers enter their golden years, the number of people afflicted with Alzheimer's disease is expected to rise dramatically. In a study published in the Journal of Neurology, the number of people with Alzheimer's disease in the United States
age 65 years and over is projected to be
N(t) = 0.00525t2 + 0.075t + 4.7 (0 = t = 4)
million in decade t, where t = 0 corresponds to 2010.
- What is the projected number of people with Alzheimer's disease in the United States age 65 years and over in 2040? (Round your answer to four decimal places.)
-How fast is the number of people with Alzheimer's disease in the United States age 65 years and over projected to grow in 2040?
- How fast is the rate of growth of people with Alzheimer's disease in the United States age 65 years and over projected to change in the period covered by the study?
At the [I.CI level of significance, test the claim that the mean eight of women with Turner's syndrome is less than that of the general female population]
The sum of two number is 102.A quotient of 5 is obtained when the bigger number is divided by the smaller number. Find the difference between the two number.
For the last two problems assume that data set 1 was randomly drawn from population with normal distributions with unknown mean and variance.
The dean decides the class should have 22 women and 15 men. How many possible classes are there now? Compare the number of possible classes to the solution to (a).
Estimate the amount that went to Colorado.
At Dot Com, a large retailer of popular books, demand is constant at 32,000 books per year. The cost of placing an order to replenish stock is $10, and the annual cost of holding is $4 per book.
A recent study conducted by the government attempts to determine proportion of people who support further increase in cigarette taxes. State the null and alternative hypotheses and compute the p-value
A sound wave has a frequency of 3500 Hz. What is the distance between crests or compressions of the wave? (Take the speed of sound to be 344 m/s.)
The yearly production of a 5 foot orange tree is 36 pounds of oranges. A 14 foot tree produces 72 pounds. What is the predicted production of an 18 foot tree?
Compute the variance, standard deviation, range, coefficient of variation, and Z scores. Are there any outliers? Explain.
Amortization sinking fund ordinary annuity present value future value
Use calculus to find the dimension (base and height) and the area of the largest rectangle that can be inscribed in the ellipse x2/144 + y2/16 = 1
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