8.38 How likely are you to vote in the next presidential election? A random sample of 300 adults was taken, and 192 of them said that they always vote in presidential elections. a) construct a 95%...

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8.38 How likely are you to vote in the next presidential election? A random sample of 300 adults was taken, and 192 of them said that they always vote in presidential elections.

a) construct a 95% confidence interval for the proportion of adult americans who say they always vote in presidential elect...

Answered Same DayDec 20, 2021

Answer To: 8.38 How likely are you to vote in the next presidential election? A random sample of 300 adults was...

Robert answered on Dec 20 2021

115 Votes

n = 300, x=192
We have here, confidence interval formula.
Therefore, ̂ = 192/300 = 0.64
̂ = 1-0.64=0.36
Z value for 95% confidence level is = 1.96
Therefore, just substitute all known values into above formula.
0.64± 1.96 * √

0.64 ± 0.05432
(0.586, 0.694)...

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8.38 How likely are you to vote in the next presidential election? A random sample of 300 adults was taken, and 192 of them said that they always vote in presidential elections. a) construct a 95%...

Answer To: 8.38 How likely are you to vote in the next presidential election? A random sample of 300 adults was...

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