Please do 39 A and C. Show all work please! 39) A random sample of 300...
Please do 39 A and C. Show all work please!
39) A random sample of 300 Mt. SAC students majoring in math or psychology is selected. These students were
asked whether they are happy with their majors. The results are summarized in the following table:
Happy . Unhappy
Math 100 20
Psychology . 10 170
a) When one student is selected randomly from this group, find the probability this student is happy with the choice of major given that the student is a math major.
c) When two students are chosen randomly, find the probability that they are both math majors.
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Please do 39 A and C. Show all work please!
39) A random sample of 300...
please do 37 and 39 b. please do and show work. 37) A recent study finds...
please do 37 and 39 b. please do and show work.
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can you please do 30, 31, 37, 39b and show work?
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A random sample of college students was asked to respond to a survey about how they...
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#8) please explain and show all work B: Selecting an adult man who works part time...
#8) please explain and show all work
B: Selecting an adult man who works part time 6) At a small four-year college, all freshmen and sophomores are required to enroll in exactly one of the following math classes: Math I, Math I or Math 200 freshmen and 450 sophomores are enrolled in Math I, 350 freshmen and 400 sophomores are enrolled in Math II, and 250 freshmen and 300 sophomores are enrolled in Math l. a) Find the probability that...
Can you please do 17 b, 18,and 21 and show all work? c) Construct a cumulative...
Can you please do 17 b, 18,and 21 and show all
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c) Construct a cumulative distribution table 17) The following table data are characteristics of voting-age population regarding a recent election Males Fem ales Voted 230 370 Did not vote 400 240 a) When a person is chosen at random, find the probability that the person did not vote, given that the person is female b) When a person is chosen at random, find the probability that the person...
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Please do 47 and 48 and please show all work 47) From a group of 80 people, a jury of 12 people is to be selected. In how many ways can a jury of 12 people be selected? 48) In a group of 10 persons, 4 have a Type A personality and 6 have a type B personality. When three people are chosen randomly without replacement, find the probability that at least one person has a Type A personality
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Show step by step please. Write neatly. Box the final answer please. Determine whether they used...
Show step by step please. Write neatly. Box the final answer
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Determine whether they used stratified, systematic, cluster, convenience, or simple random sampling. a) Thirty-five math majors, 64 music majors and 35 history majors are randomly selected from 454 math majors, 309 music majors and 567 history majors at the state university. What sampling technique is used? Every fifth adult entering an airport is checked for extra security screening. What sampling technique is used? At a local technical school,...
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please do 37 and 39 b. please do and show work.
37) A recent study finds that 34% of adult American males are obese. Bas ed on this study, what is the probability that a) all 3 are obese b) at least one is obese when 3 adult Am erican m ales are chosen random ly? 38) How many different social security numbers with the last four digits 1234 are possible? 39) A random sam ple of 300 Mt. SAC...
can you please do 30, 31, 37, 39b and show work?
30) A machine has a probability 0.03 of producing a defective glf b When 3 golf balls are manufactured by this machine, find the probability that none of the golf balls is defective 31) When three people are selected randomly, find the probability that their birthdays are all different 32) The mean credit card debt for college students in the U.S. is $2100. Is 2100 a parameter or statistic?...
A random sample of college students was asked to respond to a survey about how they spend their free time on weekends. One question, summarized in the table below, asked each respondent to choose the one activity that they are most likely to participate in on a Saturday morning. Total Male Female Total Homework Housework Outside Employment Recreation Other 29 20 23 18 12 26 39 + 47 216 13 300 If one student is randomly chosen from the group,...
#8) please explain and show all work
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Can you please do 17 b, 18,and 21 and show all
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Show step by step please. Write neatly. Box the final answer
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Determine whether they used stratified, systematic, cluster, convenience, or simple random sampling. a) Thirty-five math majors, 64 music majors and 35 history majors are randomly selected from 454 math majors, 309 music majors and 567 history majors at the state university. What sampling technique is used? Every fifth adult entering an airport is checked for extra security screening. What sampling technique is used? At a local technical school,...
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