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1) For a simple random sample , n= 700 and p= 0.63. At the 0.025 level, test H0: π ≤ 0.60 versus H1: π 0.60 (π this symbol represents Pi)2) The director of admissions at a large university says that 15% of high school juniors to whom she sends university literature eventually apply for admission. IN a sample of 300 persons to whom materials were sent,30 students applied for admission. In a two-tail test at the 0.05 level of significance, should we reject the directors claim?
An average school bus holds 45 people. Sketch a graph showing the relationship between the number.
Bob owns a watch repair shop. He has found that the cost of operating his shop is given by C(x) = 4x2-296x+85 , where c is cost and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
The angle of elevation to the top of a building changes from 20 degrees to 40 degrees as an observer advances 75 feet toward the building. Find the height of the building to the nearest foot.
find the length of the room if the cost of carpeting 24 m broad room with 150 cm wide carpet at Rs.16 per metre is Rs.3840.
Problems on probability
the speed of a passenger train is 14 mph faster than the speed of a freight train. The passenger train travels 280 miles in the same time it takes the freight train to travel 210 miles. Find the speed of each train.
one pound of bananas cost 4.09 per pound. what is the unit cost for the bananas?
you intend to create college fund for baby. if you can get an interest rate of 5.3% compounded monthly and want the fund to have value of $123,875 after 17 years, how much should you deposit each month?
A random variable y has a Rayleigh distribution, if and only if its probability distribution is given by:f(y)=2(alpha)y^(-alpha y^2) , y>0 and alpha>0
Use the given information to draw the graph of f(x) on an interval near the indicated point (x=3). If there is not enough information given, then state this fact.
Suppose someone offers to pay you $100 if you draw 3 cards from a standard deck of 52 cards and all the cards are clubs. What should you pay for the chance to win
Suppose that (a_n) ^ infinity, n=m is a convergent sequence of real numbers. Then (a_n) ^ infinity, n=m is also a Cauchy sequence
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