In a survey of college students, it was discovered that 30% had received flu shots, 60% had skin test for tuberculosis, and 20% had received neither. What is the probability that a randomly selected student received both?
In a survey of college students, it was discovered that 30% had received flu shots, 60%...
In a survey of 5000 college students, it was discovered that 2890 had received flu shots, 1860 had skin test for tuberculosis, and 1085 had received none. What is the probability that a randomly chosen student had either a flu shot or a skin test, but not both?
Find the errors in each of the following statements: a) The probabilities that a car salesman will sell 0, 1, 2, or 3 cars on a given day are the following: 0.19, 0.38, 0.29, and 0.15, respectively b) The probability that it will rain tomorrow is 0.4, and the probability that it will not rain tomorrow is 0.52 c) The probabilities that a person buying a new car chooses white, black, silver or red are 0.23, 0.21, -0.18 and 0.74,...
Q3: Flu shots are provided by student health center at UCSD. In the current season, the percentage of flu infection in the student population is 10%. For those who received a flu shot, the percentage reduces to 1%, 50% of the students on campus receive the flu shot. 1. What is the probability of flu infection if a student has not received a flu shot? 2. If a student is not infected by the flu, what is the probability that...
Q3: Flu shots are provided by student health center at UCSD. In the current season, the percentage of flu infection in the student population is 10%. For those who received a fliu shot, the percentage reduces to 190, 50% of the students on campus receive the flu shot 1. What is the probability of flu infection if a student has not received a flu shot? 2. If a student is not infected by the flu, what is the probability that...
In a survey of college students 2461 knew the origin of the statement "Try not. Do, or do not. There is no try." 2137 did not know the origin. If you randomly selected a student out of the survey, what is the probability you will select a student who does know the origin.
At a local college, of the 162 male students are smokers and 648 are non-smokers. Of the female students, 140 are smokers and 560 are non-smokers. A male student and a female student from the college are randomly selected for a survey. What is the probability that both are smokers? Do not round your answer. (If necessary, consult a list of formulas.)
At a college, 50 percent of the students are female, and 30 percent of the students receive a grade of C. About 40 percent of the students are male and "not C" students. Use this contingency table. Gender/Grade C Not C or C Female (F) 0.50 Male (M) 0.40 0.30 If a randomly selected student is a C student, what is the probability the student is female?
A college has 600 students. A survey has determined that: 69 read French 37 read German 42 read Spanish 15 read French and German 17 read French and Spanish 8 read German and Spanish 5 read all three languages Put this information into a venn diagram and use it to answer the following questions. Give your answers correct to 3 decimal places. What is the probability a randomly selected student reads exactly 2 of these 3 languages? What is the...
in a survey on study habits, students at a local college were asked whether they listened to music while studying. the following table was constructed listens to music Does not listen male 44 18 female 13 31 find the probability that a randomly selected student listens to music while studying given that the student is female.
At a local college, 21 of the male students are smokers and 189 are non-smokers. Of the female students, 90 are smokers and 210 are non-smokers. A male student and a female student from the college are randomly selected for a survey. What is the probabillty that both are smokers?