Spinning a coin, unlike tossing it, may not give heads andtails equal probabilities. I spun a penny 250 times and got109 heads. We wish to find how significant is this evidenceagainst equal probabilities.a. What is the sample proportion of heads?Round to 3 decimal places.b. Heads do not make up half of the sample. Is thissample evidence that the probabilities of heads andtails are different?Take p to be the probability of getting heads in aspin of a penny. Which hypotheses do we want totest?Но: р 3D 0.5Họ: p = 0.5О Но: р 2 0.5Ho: p = 0.5О Но: р %3D 0.5Но: р < 0.5O Họ: p = 0.5Но: р> 0.5C. Compute the z test statistic.Z =Round to 2 decimal places.

It is given that n=250 and x=109.

Answered: Spinning a coin, unlike tossing it, may…

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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Spinning a coin, unlike tossing it, may not give heads and tails equal probabilities. I spun a penny 300 times and got 122 heads. We wish to find how significant is this evidence against equal probabilities. What is the sample proportion of heads? Round to 3 places. Heads do not make up half of the sample. Is this sample evidence that the probabilities of heads and tails are different?Take p to be the probability of getting heads in a spin of a penny. Which hypotheses do we want to test? H0: p = 0.5H0: p ≠ 0.5 H0: p = 0.5H0: p > 0.5 H0: p = 0.5H0: p < 0.5 H0: p ≠ 0.5H0: p = 0.5 Compute the z test statistic.z = Round to 2 places.
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