Question: As part of its ongoing evaluation, HiEd University conducted a survey of current students regarding their satisfaction with their university experiences. Below is part of the resulting data. Poor Average Excellent Total Less than 60 hours credit 20 70 130 60 hours or more 30 20 Total 40 200 Complete the table. What is...

Question: Two unrelated participants were selected randomly from the population summarized in the table below. One non-hypertensive female and one hypertensive male were selected. Find a chance that exactly one of the selected people is diabetic. HYPERTENSIVE GENDER % DIABETICS YES F 25% YES M 35% NO F 5% NO M 10% P =

Question: (8 marks). Researchers at Leeds University School of Dentistry want to know whether registering with a NHS dental practice or a private dental practice will make a difference in children’s regular check-ups. Consider the table of data collected: Dental practice Regular check-ups Non-regular check-ups Total private 201 50 251 NHS 985 375 1360 Total...

Question: In a month long study of a daily dose of an experimental anxiety drug, some of the 250 subjects experienced headaches. Using the following computer results from the study, find the probability of randomly selecting a study subject that had experienced X 0.00 1.00 2.00 3.00 4.00 5.00 6.00 P(X) 0.3341 0.4019 0.2014 0.0538...

Question: A test consists of multiple-choice questions, each having four possible answers with only one being correct. Assume that you guess the answers to six such questions. a. Find the probability that the first two guesses are wrong and the last four guesses are correct. b. Determine the number of different possible arrangement of two...

Question: BINGO involves drawing labeled ping pong balls at random without replacement from a hopper. There are 75 balls with 15 for each of the letters B, I, N, G and O. What is the probability of drawing a. Two G balls in the first two selections? b. Three B balls in the first three...

Question: What is the probability of selecting a ten from one well-shuffled deck of cards followed by a queen of the same suit from another well-shuffled deck of cards?