Q16. An available channel for FM transmission is 30 kHz wide. The maximum allowablemodulating signal frequency is 3.5 kHz. What deviation ratio should be used?Answer: H.W.Q17. The signal-to-noise ratio in an FM system is 4. The maximum allowed deviation is 4kHz. How much frequency deviation is introduced by the phase shift caused by the noisewhen the modulating frequency is 650 Hz? What is the real signal-to-noise ratio?Answer: H.W.

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Description: Q16. An available channel for FM transmission is 30 kHz wide. The maximum allowablemodulating signal frequency is 3.5 kHz. What deviation ratio should be used?Answer: H.W.Q17. The signal-to-noise ratio in an FM system is 4. The maximum allowed devia

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Q16. An available channel for FM transmission is 30 kHz wide. The maximum allowable modulating signal frequency is 3.5 kHz. What deviation ratio should be used? Answer: H.W.

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 18E

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You source a battery for your product from two different suppliers (A and B). You suspect that theequivalent series resistance (ESR) of batteries supplied by the two suppliers is not the same. Thestandard deviation of ESR from each supplier is 2 ohms. You would like to be able to determine an ESRdifference of 1 ohms between suppliers. How many parts would you need to sample from each supplier(assume you sample the same number from each supplier) for a power level of 90%. Assume the desiredsignificance level (?) is 5%.
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For each of the following settings, define the parameter of interest and write the appropriate null and alternative hypotheses for the test that is described. Scenario 1: In an avocado, the average seed diameter is 1 inch. However, you are an avocado expert and you believe that the average seed diameter is increasing recently.
A manufacturer of floor polish conducted a consumer-preference experiment to determine which of five different floor polishes was the most appealing in appearance. A sample of 100 consumers viewed five patches of flooring that had each received one of the five polishes. Each consumer indicated the patch he or she preferred. The lighting and background were approximately the same for all patches. The results are given below. Solve the following using the p-value approach and solve using the classical approach. Polish A B C D E Total Frequency 26 16 14 20 24 100 (a) State the hypothesis for "no preference" in statistical terminology. H0: P(A) + P(B) + P(C) + P(D) + P(E) = 1H0: P(x) = P(y) for some x and y H0: P(A) ≠ P(B) ≠ P(C) ≠ P(D) ≠ P(E)H0: P(A) = P(B) = P(C) = P(D) = P(E) = 0.2 (b) What test statistic will be used in testing this null hypothesis? p? ?2tz (c) Complete the hypothesis test using ? = 0.10.(i) Find the test statistic. (Round your answer to two decimal…
The variable X, is the carbon monoxide concentration in air, and ten measurements are obtained as follows: 10.25, 10.37, 10.66, 10.47, 10.56, 10.22, 10.44, 10.38, 10.63, 10.40 mg/m3 . (i) Test whether the mean concentration of carbon monoxide in air is 10.00 mg/m3 . (ii) Calculate the power of the above test if the mean concentration of carbon monoxide in the alternative hypothesis is assumed to be 10.75mg/m3 .
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