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Question: STAYING IN TOUCH In a poll conducted in 2007, 2000 adults ages 18 yr and older were asked how frequently they are in touch with their parents by phone. The results of the poll are as follows:
If a person who participated in the poll is selected at random, what is the probability that the person said he or she kept in touch with his or her parents
a. Once a week?
b. At least once a week?
The owner of the Rancho Grande has 2972 yd of fencing with which to enclose a rectangular piece of grazing land situated along the straight portion of a river. If fencing is not required along the river, what are the dimensions of the largest area..
A cup of coffee at 179 degrees is poured into a mug and left in a room at 66 degrees. After 7 minutes, the coffee is 133 degrees. Assume that the differential equation describing Newton's Law of Cooling is (in this case)dT/dt=k(T-66).What is the t..
A particle moves along the graph of the function y=8/3x^3/2 (the 3/2 is the exponent on the x) at the constant rate of 2 units per seconds.
A three-digit number, XYZ, is formed of three differentnon-zero digits X, Y , and Z. A new number is formed byrearranging the same three digits. What is the greatest possible difference between the two numbers?
the volume of a sphere is 2098 m3. what is the surface area of the sphere to the nearest tenth? find the area of a
the manager of a store found 72% shoppers who taste free food will buy the item. what is the expected number of shoppers that will buy if a random sample of 50 shoppers taste free?
The inflation rate for Britain is 6.8. Use the least squares line to estimate Britain's independence rating.
Explain why you should use ANOVA instead of several t tests to evaluate mean differences when an experiment consists of three or more treatment conditions.
What legal right do you have to these exams? Did you create them? Did you get permission to post them? Do you have permission from the author of these detailed solutions to post them publicly?
Explain why G cannot contain a subdivision of K5, but must contain a subdivision of K3 and draw two such a graphs, one in which K3,3 is a subgraph, and One in which there is a proper subdivision of K3,3 as a subgraph
a disease has hit a city . the percentage of the population infected t days after the disease arrives is approximated
Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. If the faster train passes the slower train in 36 seconds,what is the length of each train?
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