5. Every Who down in Whoville knows that the proportion of Whos who favor banning red-marble trading on Tuesdays is known to be p = 0.43. (a) If a simple random sample of 400 Whos is surveyed, what is the probability that between 40% and 45% of the sample Whos favor banning red-marble trading on Tuesdays? (b) If a simple random sample of 400 Whos is surveyed, what is the probability that more than half of them favor banning red-marble trading on Tuesdays? (c) As it turns out, the Whoville Census Bureau did survey a simple random sample of 400 Whos, and 203 of them favored banning red-marble trading on Tuesdays. What, if any conclusion might you draw from this?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Millo.09.
5. Every Who down in Whoville knows that the proportion of Whos who favor banning red-marble
trading on Tuesdays is known to be p
= 0.43.
(a) If a simple random sample of 400 Whos is surveyed, what is the probability that between
40% and 45% of the sample Whos favor banning red-marble trading on Tuesdays?
(b) If a simple random sample of 400 Whos is surveyed, what is the probability that more than
half of them favor banning red-marble trading on Tuesdays?
(c) As it turns out, the Whoville Census Bureau did survey a simple random sample of 400
Whos, and 203 of them favored banning red-marble trading on Tuesdays. What, if any
conclusion might you draw from this?
Transcribed Image Text:5. Every Who down in Whoville knows that the proportion of Whos who favor banning red-marble trading on Tuesdays is known to be p = 0.43. (a) If a simple random sample of 400 Whos is surveyed, what is the probability that between 40% and 45% of the sample Whos favor banning red-marble trading on Tuesdays? (b) If a simple random sample of 400 Whos is surveyed, what is the probability that more than half of them favor banning red-marble trading on Tuesdays? (c) As it turns out, the Whoville Census Bureau did survey a simple random sample of 400 Whos, and 203 of them favored banning red-marble trading on Tuesdays. What, if any conclusion might you draw from this?
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