Mathematics, 18.12.2019 17:31 austinbeesley9855
Preliminary sample of 100 labourers was selected from a population of 5000 labourers by simple random sampling. it was found that 40 of the selected labourers opt for a new incentive scheme. how large a sample must be selected to have a precision of ± 5% with 95% confidence ?
Answers: 2
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, 22.06.2019 01:00
Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?
Answers: 1
Mathematics, 22.06.2019 02:00
Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1
Answers: 2
Preliminary sample of 100 labourers was selected from a population of 5000 labourers by simple rando...
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