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Answers: 3
Mathematics, 21.06.2019 15:20
Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8
Answers: 1
Mathematics, 22.06.2019 03:50
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
Mathematics, 22.06.2019 04:00
Summary statistics given for independent simple random samples from two populations. use the pooled t-interval procedure to obtain specified confidence interval. x1=71.6, s1=3.9, n1=11, x2=67.9, s2=3.4, n2=9 determine a 99% confidence level.
Answers: 2
Mathematics, 06.01.2021 21:10
History, 06.01.2021 21:10
History, 06.01.2021 21:10
Mathematics, 06.01.2021 21:10
Mathematics, 06.01.2021 21:10
Mathematics, 06.01.2021 21:10
Mathematics, 06.01.2021 21:10
Mathematics, 06.01.2021 21:10
Mathematics, 06.01.2021 21:10
History, 06.01.2021 21:10
History, 06.01.2021 21:10