Mathematics, 30.06.2019 22:10 cjdaly123
Marjin-o’heara, a polling and research company, has created a recommendation report for your company to with the design and marketing of a new product. your company is looking for a likability score in the general population of at least 5.2, with a confidence level of 95%. you’ve been called in to analyze the data and evaluate marjin-o’heara’s findings.
your report data
1. what company are you working for? list the statistical information the company has gathered.
Answers: 3
Mathematics, 21.06.2019 18:00
10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.
Answers: 1
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
Mathematics, 21.06.2019 20:30
Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170
Answers: 1
Mathematics, 21.06.2019 21:50
In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?
Answers: 1
Marjin-o’heara, a polling and research company, has created a recommendation report for your company...
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