Mathematics, 04.02.2021 08:40 mauri66
If 3/5 of students carry iPhone, what fraction of students is this using 75 as the denominator
Answers: 2
Mathematics, 22.06.2019 03:50, jescanarias22
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
If 3/5 of students carry iPhone, what fraction of students is this using 75 as the denominator...
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