Mathematics, 15.11.2019 20:31 10040813
Atoy manufacturer wants to know how many new toys children buy each year. assume a previous study found the standard deviation to be 1.5. she thinks the mean is 6.9 toys per year. what is the minimum sample size required to ensure that the estimate has an error of at most 0.11 at the 80% level of confidence? round your answer up to the next integer.
Answers: 1
Mathematics, 20.06.2019 18:04, lmolmlm5420
Consider the line y = -3/-2 x +6. find the equation of the line that is perpendicular to this line and passes through the point (-9,-3). find the equation of the line that is parallel to this line and passes through the point (-9,-3).
Answers: 2
Mathematics, 21.06.2019 14:00, zahriamarie10
Match each expression with its simplified form.
Answers: 1
Mathematics, 21.06.2019 18:00, TheIncognateo
The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers
Answers: 2
Atoy manufacturer wants to know how many new toys children buy each year. assume a previous study fo...
Mathematics, 01.12.2021 01:50
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