Probability 35% of subjects Sent to prison and 30% pleaded guilty Those not Sent to prison 50% pleaded guilty Probability that a subject who entered a guilty plea was not Sent to prison
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35% of subjects Sent to prison and 30% pleaded guilty
Those not Sent to prison 50% pleaded guilty
Probability that a subject who entered a guilty plea was not Sent to prison
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- The research department of a board game company surveyed some shoppers at a local mall. The team asked shoppers how often they read the newspaper, among other questions. Then the team played a memory card game with the shoppers. They recorded how many cards each shopper remembered. 0 times a week 1-2 times a week 1-3 cards 11 4-6 cards 4 15 What is the probability that a randomly selected shopper did not remember 1-3 cards and does not read the newspaper 0 times a week? Simplify any fractions. Submit IXL Practice in the app OPENpe Approximately 14% of people are left-handed. If two people are selected at random, what is the probability of the following events? A. P(Both are right-handed) = B. P(Both are left-handed) = 0 C. P(One is right-handed and the other is left-handed) = D. P(At least one is right-handed) = =Suppose that P(A|B)=0.4 and P(B)=0.5. What is P(A B)? 0.8 O 0.2 O 0.1 D Question 5 ts Computer keyboard failures are due to faulty electrical connects (12%) or mechanical defects (88%). Mechanical defects are related to loose keys (27%) or improper assembly (73%). Electrical connect defects are caused by defective wires (35%), proper connections (13%), or poorly welded wires (52%). Find the probability that a failure is due to loose keys. O 0.2376 O 0.306
- The magazine Sports Illustrated asked a random sample of 250 Division I college athletes, "Do you believe performance enhancing drugs are a problem in college sports?" Suppose that 30% of all Division I athletes think that these drugs are a problem. What is the probability that more than 35% of those interviewed admit performance enhancing drugs are a problem in college sports? a 0.2376 O b 0.5721 O c 0.9578 O d 0.0422R4.1. Quality control A consumer organization estimates that 29% of new cars have a cosmetic defect, such as a scratch or a dent, when they are delivered to car dealers. This same organization believes that 7% have a functional defect- something that does not work properly-and that 2% of new cars have both kinds of problems. a) If you buy a new car, what's the probability that it has some kind of defect? b) What's the probability it has a cosmetic defect but no functional defect? c) If you notice a dent on a new car, what's the probability it has a functional defect? d) Are the two kinds of defects disjoint events? Explain. e) Do you think the two kinds of defects are independent events? Explain.Question Completion Status: Moving to another question will save this response. Question 32 A barbershop requires appointments for perms and haircuts. Ten percent of those making appointments cancel or simply fail to show up. Next week's appointment calendar has 64 appointments. let x be the number of missed appointments out of the 64. The probability that more than 2 cancellations and/or no-shows will occur during the next week is: 0.9611 0.1063 Ob. 0.7795 C d. 0.8937 0.3784 Moving to another question will save this response. 22 tv A Question 32 of 35 CA Question 32 of 35
- _______________ is the probability of an outcome on one variable (e.g., survival vs. death) given a score for another variable (e.g., whether the person owns a dog or not), whereas, ____________ is the overall probability of some outcome (such as survival vs. death) for the entire sample, ignoring membership on any other categorical variables.narubhaiQuestion Help A poll asked people with and without children under 18 years old if they frequently experienced stress. The results are shown in the accompanying table. Complete parts (a) through (c) below. Frequently Experience Stress Yes No Total With child under 306 214 520 18 years No child under 204 306 510 18 уears Total 510 520 1030 a. Find the probability that a randomly chosen person from this group said "No," given that the person has a child under 18 years old. (Type an integer or decimal rounded to four decimal places as needed.) b. Find the probability that a randomly chosen person from this group said "No," given that the person does not have a child under 18 years old. (Type an integer or decimal rounded to four decimal places as needed.) c. Find the probability that a randomly chosen person from this group said "No" or did not have a child under 18 years old. es (Type an integer or decimal rounded to four decimal places as needed.)
