[Step-by-Step] Historically, the proportion of students entering a university who finished in 4 years or less was 65%. To test whether this proportion has
Question: Historically, the proportion of students entering a university who finished in 4 years or less was 65%. To test whether this proportion has decreased, 150 students were examined and 58% had finished in 4 years or less.
- At the 4% level of significance, does it appear the proportion has decreased from its historical level?
- What is the p-value?
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Solution: A retailer wants to estimate the proportion of customers
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[Steps Shown] An exterminator claims that 5% or fewer of the homes
(All Steps) The customer service department of a local utility
(All Steps) Suppose the following probability distribution describes
![[Steps Shown] In a sample of 6](/images/solutions/MC-solution-library-48257.jpg "[Steps Shown] In a sample of 6 students, the following amounts")
[Steps Shown] In a sample of 6 students, the following amounts
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