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\"A random survey of 927 adults in California found that 63% of them say they are...

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Question

Basic Math

\"A random survey of 927 adults in California found that 63% ofthem say they are likely to sleep when they stay home sick.\"

e. Construct a 95% confidence interval for p. (Be sure to followthe whole process).

f. Is it plausible to say that 70% of all California adultswould sleep when they stay home sick?

g. Perform a hypothesis test to determine if more than 60% ofadults would sleep when they stay home sick.

h. If we made an error here, then would it be a Type I or a TypeII error?

Answer & Explanation Solved by verified expert
3.9 Ratings (595 Votes)
e At 95 confidence level the critical value isz0025 196The 95 confidence interval for population proportion is z0025 sqrt1 063    See Answer
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