Mathematics, 30.06.2020 15:01 Christyy1837
Suppose a random sample of 100 observations from a binomial population gives a value of pˆ = .63 and you wish to test the null hypothesis that the population parameter p is equal to .70 against the alternative hypothesis that p is less than .70.
a) nothing that p = .63, what does your intuition tell you? does the value of p appear to contradict the null hypothesis?
b) use the large-sample z-test to test H0: p = .70 against the alternative hypothesis, Ha: p < 70. Use a = .05. How do the test results compare with your intuitive decision from part A?
c) find and interpret the observed significance level of the test you conducted in part B.
Answers: 2
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An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .
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Suppose a random sample of 100 observations from a binomial population gives a value of pˆ = .63 and...
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