Mathematics, 29.01.2020 09:55 ernest214
Tyesha found that the z-statistic was 2.1 and that the critical z-values were -1.96 and 1.96. which of the following is a valid conclusion based on these results?
one can reject the null hypothesis.
one can reject the alternate hypothesis.
one can accept the null hypothesis.
one cannot accept or reject the null hypothesis.
Answers: 3
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The cost of turkey is directly proportional to its weight. if a 12-pount turkey costs $27, how much does a 16-pound turkey cost? a. $33.75 b. $36.00 c. $31.00 d. $32.50
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Mathematics, 21.06.2019 23:30
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Arandom sample of n = 25 observations is taken from a n(µ, σ ) population. a 95% confidence interval for µ was calculated to be (42.16, 57.84). the researcher feels that this interval is too wide. you want to reduce the interval to a width at most 12 units. a) for a confidence level of 95%, calculate the smallest sample size needed. b) for a sample size fixed at n = 25, calculate the largest confidence level 100(1 − α)% needed.
Answers: 3
Tyesha found that the z-statistic was 2.1 and that the critical z-values were -1.96 and 1.96. which...
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