Mathematics, 19.12.2019 10:31 skatingflower
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question 1 (essay worth 10 points) (08.01 lc) tina conducted a survey to find the favorite weekend activity of the people in her state. she asked 10 of her neighbors what their favorite weekend activity is. tina concludes that boating is the favorite weekend activity of the people in her state because 70% of her neighbors like to go boating on weekends. use at least two sentences to explain why tina's sample may not be valid. make sure to use facts to support your answer.
question 2 (essay worth 10 points) (08.01 mc)below are the data collected from two random samples of 500 american adults on the number of hours they work per day (rounded to the nearest hour):
number of hours of work per day 6 7 8 9 10
sample a: number of adults 60 90 145 150 55
sample b: number of adults 70 80 140 145 65
ryan concludes that adults spend a mean of 8 hours working each day. malia thinks the mean is 9 hours. who is correct—ryan or malia? explain your answer in two or three sentences. make sure to use facts to support your answer.
question 3 (essay worth 10 points) (08.02 lc)the table below shows the size of nine families selected at random from two neighborhoods in a large city:
family size (in number of people)
neighborhood q 2 5 4 3 2 5 3 6 5
neighborhood s 2 3 2 3 7 2 3 3 2
which neighborhood appears to have a bigger family size? explain your answer using two or three sentences. make sure to use facts to support your answer.
question 4 (essay worth 10 points) (08.03 mc)the dot plots below show the ages of students belonging to two groups of music classes:
( graph is the picture below)
based on visual inspection, which group most likely has a lower mean age of music students? explain your answer using two or three sentences. make sure to use facts to support your answer.
Answers: 2
Mathematics, 20.06.2019 18:04
You can model the population of a certain city between 1955-2000 by the radical function p(x)=55,000 sqrt x-1945. using this model, in which year was the population of that city 220,000
Answers: 1
Mathematics, 21.06.2019 16:00
You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?
Answers: 1
Mathematics, 21.06.2019 17:30
How do you use the elimination method for this question? explain, because i really want to understand!
Answers: 1
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