Mathematics, 22.04.2020 00:08 amunson40
A researcher wishes to estimate, with 95% confidence, the proportion who own a laptop. A previous study shows that 70% of those interviewed had a laptop computer. How large a sample should the researcher select so that the estimate will be within 3% of the true proportion?
Answers: 3
Mathematics, 21.06.2019 13:30
The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.
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Mathematics, 21.06.2019 16:40
Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0
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Mathematics, 21.06.2019 17:10
Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.
Answers: 2
A researcher wishes to estimate, with 95% confidence, the proportion who own a laptop. A previous st...
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