Mathematics, 31.01.2022 17:30, blackchina71
In preparing a report on the economy, we need to estimate the percentage of businesses that plan to hire additional employees in the next 60 days.
a) How many randomly selected employers must we contact in order to create an estimate in which we are 95% confident with a margin of error of 9%?
b) Suppose we want to reduce the margin of error to 4%. What sample size will suffice?
c) Why might it not be worth the effort to try to get an interval with a margin of error of 1%?
Answers: 3
Mathematics, 21.06.2019 17:20, garciavergaraana
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x
Answers: 1
Mathematics, 21.06.2019 21:30, InvictusPain4777
Yo need asap pls ! markin da brainiest too !
Answers: 1
Mathematics, 21.06.2019 22:10, bigboss3026
Which of the following circles have their centers in the third quadrant?
Answers: 2
In preparing a report on the economy, we need to estimate the percentage of businesses that plan to...
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