"The Pune Times" is a local dailynewspaper.lt has a circulation of 100,000subscribers and is thinking of raising it'ssubscription price. Currently the price is Rs50 week, and it is estimated that the paperwould lose 10,000 subscribers if the ratewere to be raised by Rs 5/Week.(a) Find the subscription price that wouldmaximise profit.(b) Do a sensitivity analysis of the solutionswith respect to the estimated number oflost subscribers.(c) Should the paper change it'ssubscription price? Explain your answer.

Given:- Present subscribers of the daily newspaper =100,000 Current price of the daily…

Answered: "The Pune Times" is a local daily…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Explain if the Income and Wealth carry the expected sign.
Using the following table, I'm not sure how to answer these questions: a) Find the estimated regression equation of price on the percentage of space containing ads. y^ = +( )x b) Predict the price of a magazine with 47% of is space containing ads. rounding to 3 decimal places c) Estimate the price of a magazine with 98% of its space containing ads. Runded to 3 decimal places
Please give me numerical solutions of these questions. Thanks in advance for your help.
The largest cat in North America is the Jaguar, they can sometimes be seen in the mountains of southern Texas, Arizona and New Mexico, (and less recently southern California). The rate of observances by humans is about 3/20 years. Assume we don't get Trump's border wall which would isolate the US population from the rest, and presumably cut off their chance of breeding. Chances of seeing 5 or more separate Jaguars within 5 years is 0.0011. a. Your cameras also produce pictures of wolf sized canids, either wolves or coy-wolves in the same region (very different times). Each year your cameras catch about 40 of these animals and about 30 cougars and about 400 bear and 800 feral Hogs. Assume that these numbers are all population rates for poisson. Given your camera Network catches a non human large animal (and the above list is all of them): Out of 200 large non human animals what is the probabilty that between 80 and 150 are feral hogs?
Why is it that the exponential smoothing method offers a better forecast accuracy?
An article published in the American Journal of Hypertension reported the results of a longitudinal study on blood pressure. Ten years ago, 51 out of 188 people evaluated were classified as having high blood pressure. This year, 63, out of 194 people evaluated were classified as having high blood pressure. Based on the results of this study, can one conclude that the proportion of people in the population with high blood pressure has increased in the last ten years? Use a = 0.05. I can't find the sign=a I hope someone will know what I am talking about.
Determine the numbers for a, b, c, and d for the triangle shown to the right. a = b = 3. %3= 11 b. d.
The largest cat in North America is the Jaguar, they can sometimes be seen in the mountains of southern Texas, Arizona and New Mexico, (and less recently southern California). The rate of observances by humans is about 3/20 years. Assume we don't get Trump's border wall which would isolate the US population from the rest, and presumably cut off their chance of breeding. Chances of seeing 5 or more separate Jaguars within 5 years is 0.0011. a. Your cameras also produce pictures of wolf sized canids, either wolves or coy-wolves in the same region (very different times). Each year your cameras catch about 40 of these animals and about 30 cougars and about 400 bear and 800 feral Hogs. Assume that these numbers are all population rates for poisson. Given your camera Network catches a non human large animal (and the above list is all of them): What is the probability it is a jaguar? What is the probability it is a feral hog? Out of 15 large non-human animals, what is the probability…
An automobile manufacturer would like to know the gas mileage of a car (y in miles per gallon) based on four predictor variables: x1 = horsepower (ft-lb), x2 = torque (ft-lb), x3 = displacement (cubic inches), and x4 = weight (lbs). The prediction equation is given as: y_hat = 35.4 + 0.145X1 +0.54X2 - 0.66X3 - 0.0013X4 What is the predicted value of gas mileage for a car with 16 ft-lbs of horsepower, 25 ft-lbs of torque, 35 cubic inches of displacement, and weighs 3900 pounds? 23.05 O 18.19 O 27.36 O 35.42
The table below represents the values of discharge and stage. Extend the rating curve for these data, using the following equations [q= k(g-a), k= 10^, a=0]. Try to estimate the values of k and b by least square method. Determine the value of discharge at stage 7m. Stage (m) 5. 4 2 Discharge (m'/s) 50 20 10
A researcher claims that a post-lunch nap decreases the amount of time it takes males to sprint 20 meters after a night with only 4 hours of sleep. The table shows the amounts of time (in seconds) it took for 10 males to sprint 20 meters after a night with only 4 hours of sleep when they did not take a post-lunch nap and when they did take a post-lunch nap. At a = 0.10, is there enough evidence to support the researcher's claim? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through (e) below. Male 1 2 4 6 7 8 9 10 Sprint time (without nap) Sprint time (with nap) 4.07 3.95 3.95 4.04 4.02 | 4.09 4.06 3.96 3.95 3.93 3.92 3.86 3.88 3.97 4.01 4.00 3.90 3.82 3.86 3.80 A. t 1.383 C. t (c) Calculate d and sg. d= j = 0.1 (Round to three decimal places as needed.) Calculate sa. = 0.045 (Round to three decimal places as needed.) (d) Find the standardized test statistic t. t = 6.666 (Round to three decimal places as needed.) (e) Decide…

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