Here is the probability model for the blood type of a randomly chosen person in the United States. Blood Type Probability O 0.47 A 0.2 B 0.05 AB 0.28 What is the probability that a randomly chosen American does not have type O blood? (Type your answer as a decimal).
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- A group of students were asked if they carry a credit card. The responses are listed in the table. Class Credit Card Carrier Not a Credit Card Carrier Total Freshman Sophomore Total 13 14 27 A. 0.519 OB. 0.481 O C. 0.675 O D. 0.140 73 60 40 100 If a student is selected at random, find the probability that he or she is a sophomore and owns a credit card. Round your answers to three decimal places.The probability of rain during winter is 0.8. The probability of a heat wave during winter is 0.1. Rain and heat waves cannot coexist at the same time. What is the probability of having either a rainy day or a heat wave during winter? a. 1 b. 0.9 c. 0.08 d. 0.82We are interested in analyzing data related to college football. Use S to denote the team is in the SEC and use W to denote a team has a winning season. The probability that a team is in the SEC in the data set is 5.5%. The probability that a team has a winning season is 52.5%. The probability that a team is in the SEC and has a winning season is 3.55%. What percentage of teams are in the SEC or had a winning season? b. What percentage of people teams are in the SEC and did NOT have a winning season? Given a team had a winning season, what is the probability that they are in the SEC? а. с.
- The table shown here represents the number of televisions per American household. According to this table, what is the probability that a given household will have MORE THAN 3 TV's?For Exercise, use the data in the table categorizing smokers and nonsmokers according to their blood pressure (BP) levels. If one person is chosen at random, find the probability of the given event. Elevated BP 28 Normal BP 42 Total 70 Smokers Nonsmokers Total 80 10 90 122 38 160 The person has elevated blood pressure.The table below shows the results of a survey about a junk food tax. Support Oppose Unsure Male 116 370 14 Female 289 389 25 A person is selected at random from the sample. What is the probability that the person is male and supports the tax? Your answer should be a decimal (not a percent) correct to three decimal places.
- A certain student is equally likely to choose to major in medicine, engineering or accounting in college. What is the probability that the student will choose to major in: note : Answers should be in either decimal (4 decimal places), fraction (lowest terms) or percent (rounded to 2 decimal places) form. 1. medicine? 2. accounting? 3. engineering or medicine?Here is the probability model for the blood type of a randomly chosen person in the United States. Blood type O A B AB Probability 0.53 0.22 0.06 0.19 What is the probability that a randomly chosen American does not have type O blood? ______________% Round to the nearest 0.01%A medication states that the odds of having an allergic reaction are 2 in 200. What is that probability states as a percent? A. 1% B. 4% C. 5% D. 2%
- At a particular college 19 percent of the students major in business. All business majors are required to take a statistics course. Of the students not majoring in business, 31 percent of them still have to take a statistics course. What is the probability that a student has to take a statistics course at this particular college? Type your answer as a decimal to 4 decimal places.Full Time Part Time Boys 3 10 13 Girls 16 11 27 total 19 21 40 A student selected at random. What is the probability that the selected student is from girls given that she is from part time?The difference between a random variable and a probability distribution is that Select one: O a. a random variable include the probability of an event O b. a random variable does not include the probability of an event O c. a probability distribution can only assume whole numbers O d. a random variable can only assume whole numbers