Mathematics, 10.01.2020 03:31 SchoolSucks234
100 points the chart below represent data collected from a survey on the types of phones people between the
ages of 10-62 own in two neighboring villages
(a) make a matrix for each of the charts above. name the village of morrow matrix m and the
village of knox k. (2points)
(b) in matrix m, what is the element m31, and what does it represent in the real-life situation?
hint: this answer is not a number but a sentence explaining what the number at that location
represents in real life situation. (3points)
(c) what is the address of the element that represents the number of people age 21-41 who live
in the village of knox with handheld cell phones? (3points)
(d) what is the matrix that results when you subtract matrix k from matrix m? hint: m-k
(3points)
(e) name the matrix you found in part (d), matrix a. what is element a32, and what information
does it tell you about the number adults 21-41 that own car phones in the village of morrow
compared to village of knox? (3points)
(f) create a matrix that shows the ownership of phones in the village of knox after a 23%
increase in ownership of all types of phones for all the surveyed age groups? (hint: find
1.23k.) (3points)
Answers: 3
Mathematics, 21.06.2019 12:30
Muscles, a membership-only gym is hoping to open a new branch in a small city in pennsylvania that currently has no fitness centers. according to their research approximately 12,600 residents live within driving distance of the gym. muscles sends out surveys to a sample of 300 randomly selected residents in this area (all of who respond) and finds that 40 residents say they would visit a gym if one was located in their area. based on the past survey research, muscles estimates that approximately 30% of these respondents would actually join the gym if they opened one in the area. based on this information and the results of the sample survey, about how many residents should muscles expect to join its new branch? a) 134 b) 504 c) 1,680 d) 3,780
Answers: 1
Mathematics, 21.06.2019 20:30
If rt is greater than ba, which statement must be true ?
Answers: 1
100 points the chart below represent data collected from a survey on the types of phones people bet...
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