Probability0.350.350.10.10.11.1102230246252E-16Scores4611121314Find the expected value of the above random variable.

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Answered: Probability 0.35 0.35 0.1 0.1 0.1…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Probability Scores 0.05 4 0.2 5 0.05 7 0.05 8 0.3 12 0.35 13 1.1102230246252E-16 14 Find the expected value of the above random variable.
(a) Suppose n = 26 and p = 0.23. (For each answer, enter a number. Use 2 decimal places.)n·p = n·q = ?Can we approximate p̂ by a normal distribution? Why? (Fill in the blank. There are four answer blanks. A blank is represented by _____.)_____, p̂ _____ be approximated by a normal random variable because _____ _____.first blank YesNo second blank cancannot third blank both n·p and n·q exceedn·q exceeds n·p and n·q do not exceedn·q does not exceedn·p exceedsn·p does not exceed fourth blank (Enter an exact number.)?What are the values of ?p̂ and ?p̂? (For each answer, enter a number. Use 3 decimal places.)?p̂ = mu sub p hat = ?p̂ = sigma sub p hat = (b) Suppose n = 25 and p = 0.15. Can we safely approximate p̂ by a normal distribution? Why or why not? (Fill in the blank. There are four answer blanks. A blank is represented by _____.)_____, p̂ _____ be approximated by a normal random variable because _____ _____.first blank YesNo second blank cancannot…
(c) Suppose n = 46 and p = 0.31. (For each answer, enter a number. Use 2 decimal places.)n·p = n·q = Can we approximate p̂ by a normal distribution? Why? (Fill in the blank. There are four answer blanks. A blank is represented by _____.)_____, p̂ _____ be approximated by a normal random variable because _____ _____.first blank YesNo second blank cancannot third blank n·q exceedsboth n·p and n·q exceed n·p exceedsn·q does not exceedn·p and n·q do not exceedn·p does not exceed fourth blank (Enter an exact number.)What are the values of ?p̂ and ?p̂? (For each answer, enter a number. Use 3 decimal places.)?p̂ = mu sub p hat = ?p̂ = sigma sub p hat =
Probability 0.07 Scores 0.24 0.33 10 380 0.22 11 0.14 12 Find the expected value of the above random variable.
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Find the indicated probability given that Z is a random variable with a standard normal distribution. (Round your answer to four decimal places.) P(Z 2-0.65) P(Z Z-0.65)= 3. DETAILS 0/6 Submissions Used MY NOTES ASK YOUR TEACHER Suppose X is a normal random variable with = 380 and 17. Find the following probabilities. (Give your answers to four decimal places.) (a) P(X 410)
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Probability 0.35 0.35 0.1 0.1 0.1 1.1102230246252E-16 Scores 4 6 11 12 13 14 Find the expected value of the above random variable.