A family has 3 children. Find the probability that 2 of 3 children are boys. P(2 Boys)= type your answer... What assumption did you make in using this sample space to find the probability? type your answer...
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A: Let A be the male event Let B be the A event P(A or B)= P(AUB)=P(A)+P(B)-P(A⋂B)
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A: Defined:
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- do everything asked. ill upvote if its typewritten and complete. thank you very muchPlease show the steps on how to solve it.Suppose you are taking a multiple-choice test with 4 choices for each question. In answering a question on this test, the probability that you know the answer is 0.5. If you don't know the answer, you choose one at random. What is the probability that you knew the answer to a question, given that you answered it correctly?
- A dormitory on campus houses 100 students. 42 are male, and 40% are KINE majors. A student is selected at random. The probability of selecting a female, and a KINE major? Provide either a percentage (1 decimal) or a fraction with three decimal places. Answer:In an experiment, college students were given either four quarters or a $1 bill and they could either keep the money or spend it on gum. The results are summarized in the table. Complete parts below. Purchased Gum Kept the Money Students Given Four Quarters 33 13 Students Given a $1 Bill 15 30 a. Find the probability of randomly selecting a student who spent the money, given that the student was given four quarters. b. Find the probability of randomly selecting a student who kept the money, given that the student was given four quarters. c. What do the preceding results suggest?choose below A. A student given four quarters is more likely to have kept the money than a student given a $1 bill. B. A student given four quarters is more likely to have kept the money. C. A student given four quarters is more likely to have spent the money than a student given a $1 bill. D. A student given four quarters is more…A bag contains 5 red balls, 8 white balls, and 7 orange balls. Find the probability of drawing a red or an orange. P(red or orange) O 12/40 O 8/20 O 12/40 O 12/20
- The accompanying table describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Complete parts (a) through (d) below. Click the icon to view the table. C a. Find the probability of getting exactly 6 girls in 8 births. (Type an integer or a decimal. Do not round.) b. Find the probability of getting 6 or more girls in 8 births. (Type an integer or a decimal. Do not round.) c. Which probability is relevant for determining whether 6 is a significantly high number of girls in 8 births: the result from part (a) or part (b)? O A. The result from part a, since it less than the probability of the given or more extreme result. O B. The result from part a, since it is the exact probability being asked. O C. The result from part b, since it is the complement of the result of part a O D. The result from part b, since it is the probability of the given or more extreme result. d. Is 6 a significantly high number…Flights According to the Bureau of Transportation, 80.3% of American Airlines flights arrive on time. What is the probability of randomly selecting an American Airlines flight that does not arrive on time?On the last day of a Shakespeare class, an English teacher asked her students which play they liked the best. She made a table of the results. Hamlet 11 Macbeth 4 Twelfth Night 1 Romeo and Juliet 6 What is the probability that a randomly selected Shakespeare student likes Hamlet best? Write your answer as a fraction or whole number. P(Hamlet) =
- only c pleaseSuppose that you close your eyes and select at random two candies from the bowl which contains 2 red and 3 yellow candies without replacement. Use counting rules to find the following probabilities. a. Probability that you will select one red and one yellow candy is b. Probability that you select two red candies isAn IQ test contains (20) multiple choice questions. You have to answer all of these questions knowing that the pass grade for this test is to answer (10) or more questions correctly. Assume that you will answer the questions randomly and the probability for answering each question correctly is (0.6).A. What is the probability that you will pass the test?B. What is the probability that you will answer all questions correctly?C. What is the probability that you will answer all questions wrongly?D. What is the probability that you will answer at most three questions wrongly?E. What is the probability that you will answer at least three questions correctly?F. What is the probability that you will answer the first three questions correctly?G. What is the probability that you will answer only the first three questions correctly?
