Mathematics, 18.06.2021 23:00 andrew5182
What sample size is needed to give a margin of error within in estimating a population mean with 95% confidence, assuming a previous sample had .
Answers: 2
(if no previous estimate use 0.5) and M is the desired margin of error.
, we have the following confidence interval of proportions.
.
, z is the value of Z that has a p-value of 
, so 
. 
Another question on Mathematics
Mathematics, 21.06.2019 16:40
Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5
Answers: 1
Mathematics, 21.06.2019 17:40
Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =
Answers: 1
Mathematics, 21.06.2019 20:30
Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.
Answers: 2
Mathematics, 21.06.2019 21:00
Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x
Answers: 1
You know the right answer?
What sample size is needed to give a margin of error within in estimating a population mean with 95%...
Questions
Mathematics, 29.01.2020 04:05
Mathematics, 29.01.2020 04:05
Mathematics, 29.01.2020 04:05
English, 29.01.2020 04:05
Mathematics, 29.01.2020 04:05
Biology, 29.01.2020 04:05
