Mathematics
Mathematics, 28.07.2019 02:00, SoccerHalo

Approximately 3 people out of every 30 are left handed. about how many left handed people would you expect in a group of 140 people?

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Mathematics, 01.07.2019 19:10, selene29
According to the national health survey, 9.8 % of the population of 18-24 year olds in the us are left-handed. supposed you select 10 individuals form this popoulation and x is the number of persons who are left handed.how many left-handed people are expected to be selected? what is the variance and standard deviation of x? what is the probability that exactly 4 people are left-handed? what is the probability that at least 4 people are left-handed? what is the probability that at most two people are left-handed? given that at least 4 people are left-handed, what is the probability that exactly 4 are left-handed?
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Business, 27.07.2019 18:30, kiraswife
Do left-handed or right-handed people make more money? one study1 recorded the hourly earnings for a random sample of american men, of whom were right-handed and were left-handed. the right-handed men earned an average of per hour, while the left-handed men earned an average of per hour. the sample standard deviation for both left-handed and right-handed workers was about . test the hypothesis that the average earnings for left-handed and right-handed men are the same.
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English, 05.08.2019 00:20, seider7997
The conflict between the twins continued, and for some reason, the grandmother favored the left-handed twin. the right-handed twin became angry and resentful. he was the truthful twin who always did the right thing. the left-handed twin was deceitful and did everything backward. you could never trust him. the twins represented the two ways of the world which are in all people. the indians did not call these good and evil. they called them the straight mind and the crooked mind, the righteous man and the devious man, the right and the left. the main purpose of this excerpt is to demonstrate that right-handed people are good and left-handed people are bad. explain why some people do the right thing and others do not. provide the reason why the grandmother favored the left-handed twin. clarify what the iroquois considered the two different sides of human nature.
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Mathematics, 08.10.2019 02:30, nourmaali
Approximately 7% of people are left-handed. if two people are selected at random, what is the probability of p(one is right-handed and the other is left-handed)
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