Mathematics, 13.12.2020 22:50 dylanclark4965
1.) A sample of 58 students found that on average, the students spend 185 minutes engaged on
physical activity each week. Assume that the standard deviation from a recent study was 28
minutes. Estimate the mean time students spend engaged in physical activity each week using a
confidence interval given a 95% confidence level.
a.) (177.64, 192.36) b.) (177.79, 192.21) C.) (53.634, 62.366) d.) (53.6.62.4)
Answers: 1
Mathematics, 21.06.2019 17:50
Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36
Answers: 1
Mathematics, 21.06.2019 21:30
What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14
Answers: 2
Mathematics, 21.06.2019 22:30
The track team ran a mile and a quarter during their practice how many kilometers did her team runs?
Answers: 1
1.) A sample of 58 students found that on average, the students spend 185 minutes engaged on
physic...
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