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USE MINITAB In a random sample of 600 cars making a right turn at a certain...

USE MINITAB

In a random sample of 600 cars making a right turn

at a certain intersection, 157 pulled into the wrong

lane. Test the null hypothesis that actually 30% of all

drivers make this mistake at the given intersection,

using the alternative hypothesis p = 0.30 and the level

of significance

(a) α = 0.05; B.form a 95% confidence interval that can be used to estimate the true proportion

Math   Statistics-And-Probability   
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