Can anybody help me pls?

Acarton of juice contains 64 ounces miss wilson bought six cartons of juice how many ounces of juice did she buy

The slope of the line whose equation is y - 3 = 0 is 0 3 no slope

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.