Mathematics, 30.08.2019 03:30 OinkFred
In order to estimate the percentage of campers at her camp that bring their lunch, lori randomly surveys 85 of the 300 campers at her camp. she then calculates the percentage from her sample that bring their lunch.
will this likely give an accurate estimate of this percentage?
select from the drop-down menus to correctly complete the statement.
lori's method islikely or not likely to give an accurate estimate of this percentage since she surveyed a randmly selected group of campers or she did not survey every camper from her camp.
Answers: 2
Mathematics, 21.06.2019 14:50
Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?
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Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
In order to estimate the percentage of campers at her camp that bring their lunch, lori randomly sur...
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