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Mathematics, 21.06.2019 19:00
65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?
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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 03:50
Gigi earned $65 for 5 hours of gardening. she earned $90 for 9 hours of office work. which statement correctly compares gigi’s earning per hour for gardening and office work? she earned $3 more per hour for office work than for gardening. she earned $4 more per hour for office work than for gardening. she earned $3 more per hour for gardening than for office work. she earned $4 more per hour for gardening than for office work.
Answers: 1
Mathematics, 22.06.2019 05:00
Which set of fractions are ordered from least to greatest
Answers: 1
Please help 7(-37 + k) = 26...
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