Advertising The effectiveness of a television commercialdepends on how many times a viewer watches it. After someexperiments an advertising agency found that if the effective-ness E is measured on a scale of 0 to 10, thenE(n) = }n – tu²where n is the number of times a viewer watches a givencommercial. For a commercial to have maximum effective-ness, how many times should a viewer watch it?

Given effectiveness as a function of no. of times a viewer watches a given commercialE(n) = 23n -…

Answered: Advertising The effectiveness of a…

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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Recap When Not In Use Use In Ventilated Area • Conforms To ASTM D-4236 MARKER Chisel Point 20. An example of the vertical-horizontal illusion is shown in the figure. Although the two lines are exactly the same length, the vertical line appears to be much longer. To examine the strength of this illusion, a researcher prepared an example in which both lines were exactly 10 inches long. The example was shown to individual participants who were told that the horizontal line was 10 inches long and then were asked to estimate the length of the vertical line. For a sample of n = estimate was M CS 25 participants, the average 12.2 inches with a standard deviation of s = 1.00. K. ed or nt ed te An example of the vertical- horizontal illusion a. Use a one-tailed hypothesis test with a = .01 to demonstrate that the individuals in the sample significantly overestimate the true length of the line. (Note: Accurate estimation would produce a le, 10 inches.) mean of u b. Calculate the estimated d and…
What percentage of pregnancies last beyond 254 days? P(x > 254 days) = P(z >
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- PG Campus B Assessment 2 - MM207X Course X -pace.com/d2l/le/content/62284/viewContent/5264566/View Maps ne Left:1:47:37 Alexus Bloom: Attempt 1 The table below shows annual salary, s, rounded to the nearest dollar for 70 workers. What is the cumulative relative frequency for workers making less than or equal to 20000? Round your answer to 2 decimal places. Salary, s, in dollars Frequency 14000 < s < 33 16000 16000 < s < 18000 18000 < s < 20000 20000 < s s 22000 19 12 0.91 0.74 0.47 99+ 6)
OU %3D 6. V3x-2% =5 7. /x+5=7:32 Vx= 33/7 189 %3D 9. 8-4/x=7 %3D 9. 8.
Chlorophylls a and b are plant pigments that absorb sunlight and transfer the energy into photosynthesis of carbohydrates from CO2 and H2O, releasing O2 in the process. Chlorophylls were extracted from chopped up grass and measured by spectrophotometry. The table shows results for chlorophyll a for four separate analysis of five blades of grass. Chlorophyll a (g/L) Blade 1 Blade 2 Blade 3 Blade 4 Blade 5 1.09 1.26 1.1 1.23 0.85 0.86 0.96 1.21 1.3 0.65 0.93 0.8 1.27 0.97 0.86 0.99 0.73 1.12 0.97 1.03 Four replicate measurements for each blade of grass tell us the precision of the analytical procedure (sanalysis). Differences between mean values for each of the five blades of grass are a measure of variation due to sampling (ssampling). Using Excel and it’s ANOVA function, find the standard deviations attributable to sampling and to analysis, as well as the overall standard deviation arising from both sources.
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