Mathematics, 10.09.2019 20:30 sierravick123owr441
Eric wants to estimate the percentage of elementary school children who have a social media account. he surveys 450 elementary school children and finds that 280 have a social media account. identify the values needed to calculate a confidence interval at the 99% confidence level. then find the confidence interval.
Answers: 3
Mathematics, 21.06.2019 14:30
Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?
Answers: 1
Mathematics, 21.06.2019 18:00
Is a positive integer raised to a negative power always positive
Answers: 1
Mathematics, 21.06.2019 18:20
The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?
Answers: 1
Mathematics, 21.06.2019 20:30
Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?
Answers: 1
Eric wants to estimate the percentage of elementary school children who have a social media account....
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