Mathematics, 30.11.2020 22:10 mistymjoy
Which statements are true about the lines of symmetry of a regular pentagon? Select three options. Every line connects two vertices. Every line connects the midpoints of 2 sides. Every line bisects a vertex angle. Every line bisects a side. Every line is perpendicular to a side.
Answers: 1
Mathematics, 21.06.2019 21:30
Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms
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Mathematics, 22.06.2019 01:30
The angle of elevation from point a to the top of a cliff is 38 degrees . if point a is 80 feet from the base of the cliff , how high is the cliff ?
Answers: 3
Mathematics, 22.06.2019 04:10
You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in:
Answers: 2
Which statements are true about the lines of symmetry of a regular pentagon? Select three options. E...
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