Mathematics, 31.08.2019 19:30 stinematesa
Afield test for a new exam was given to randomly selected seniors. the exams were graded, and the sample mean and sample standard deviation were calculated. based on the results, the exam creator claims that on the same exam, nine times out of ten, seniors will have an average score within 6% of 80%.
is the confidence interval at 90%, 95%, or 99%? what is the margin of error? calculate the confidence interval and explain what it means in terms of the situation.
Answers: 2
Mathematics, 22.06.2019 00:10
Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?
Answers: 1
Mathematics, 22.06.2019 02:10
On monday, the water was shut off 3 times for 1/4 hours, 2/3 hours, and 1-3/4 hours, respectively. what was the tireless number of hours the water was off?
Answers: 1
Mathematics, 22.06.2019 04:30
Acircle has a diameter of 10 what is the area of the circle? use 3.14 for pi. round to the nearest hundredth
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Mathematics, 22.06.2019 05:00
Ms.lopez has 4 liters of chemicals that she is going to pour into beakers. each beaker will have 1/4 of a liter of chemicals, how many beakers can ms.lopez fill? draw a model to support your work. (it's ok if you dont)
Answers: 1
Afield test for a new exam was given to randomly selected seniors. the exams were graded, and the sa...
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