A kites ground, and string pulled tautThe angle of elevation of the 54 degrees answer to the nearest tenth. Find the length of the string. Round your

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation

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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.