Statistics question and answers for December 13, 2023
- Q 0 9999451342 5 460398688 x 10 5 Keep working At least one of the answers above is NOT correct Getting things wrong is part of learning 0 9999451342 5 460398688E...
- Q In a certain college 38 of the physics majors belong to ethnic minorities If 20 students are selected at random from the physics majors what is the probability that less...
- Q Using the information from the two previous problems would it be unusual if one of these students had 14 correct answers on the quiz Yes No
- Q Several students are unprepared for a multiple choice quiz with 44 questions and all their answers are guesses Each question has four possible answers and only one of them is...
- Q Is the binomial distribution appropriate for the following situation Ask 125 randomly selected U S citizens if they have ever visited London England X is the number that say yes...
- Q According to the National Student Clearinghouse Research Center women now comprise 60 of enrollment in universities What is the probability in a random sample of 55 university students that more...
- Q In the United States 41 of 18 to 29 year olds said in a survey held in March 2020 that they currently subscribed to Hulu What is the probability in...
- Q Write a statement explaining what the probability means in the previous problem
- Q According to Gallup 48 9 of the U S are protestant A random sample of 40 U S residents is selected They find that 18 of the residents are protestant...
- Q Physicians and pharmacists sometimes fail to inform patients adequately about the proper application of prescription drugs and about the precautions to take in order to avoid potential side effects One...
- Q The Value Line Survey a service for common stock investors provides its subscribers with up to date evaluations of the prospects and risks associated with the purchase of a large...
- Q Let A and B be two events with P A and BC 1 Find P B Recall that BC denotes the complement of the event B O a 1 Ob...
- Q Are black defendants in a murder trial more likely to get the death penalty when the victim is white The table below shows the outcome whether the death penalty is...
- Q Harold and Maude plan to take a cruise that departs from Miami together but they live in separate cities Based on their itinerary to Miami Harold s chance of making...
- Q O Macmillan Learning How old are women when they have their first child The table displays the distribution of the age of the mother for all firstborn children in the...
- Q Horchata 56 Jamaica Carne Al Asada Pastor Totals 0 Tamarindo 7 63 9 6 33 48 Lengua Totals 8 29 12 49 73 35 52 160 The table above lists...
- Q A company manufactures batteries in batches of 24 and there is a 3 rate of defects Find the mean number of defects per batch O 23 28 O 0 744...
- Q Find the indicated probability A company purchases shipments of machine components and uses this acceptance sampling plan Randomiy select and test 20 components and accept the whole batch if there...
- Q ne problem The probability that a radish seed will germinate is 0 7 A gardener plants seeds in batches of 13 Find the standard deviation for the number of seeds...
- Q Use the given values of n and p to find the minimum usual value 2o and the maximum usual value u 20 1130 p 0 94 n O Minimum 1078...
- Q Determine if the outcome is unusual Consider as unusual any result that differs from the mean by more than 2 standard deviations That is unusual values are either less than...
- Q Find the indicated probability An airline estimates that 91 of people booked on their flights actually show up If the airline books 79 people on a flight for which the...
- Q Find the mean of the given probability distribution The accompanying table shows the probability distribution for x the number that shows up when a loaded die is rolled Probability For...
- Q Suppose that voting in municipal elections is being studied and that the accompanying table describes the probability distribution for four randomly selected people where x is the number that voted...
- Q Find the indicated probability What is the probability that 4 rolls of a fair die will show exactly three fours O 0 0116 0 0039
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