Eighty students in a school cafeteria were asked if they favored a ban on smoking in the cafeteria. The results of the survey are shown in the table. Class favor Oppose No opinion Freshmen 15 27 8 Sophomore 23 5 2 If a student is selected at random, find these probabilities. show the complete answer a. Given that the student is a freshman, he or she opposes the ban. b. Given that the student favors the ban, the student is a sophomore.

Q: na ceratin village in Kenya, 8% of the inhibitants have malaria. If 5 inhabitants of the village are…

A: Given, p =  8% = 0.08 n = 5 q = 1-0.08 = 0.92 To find : P(at least one of them having maleria) We…

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A: Given: Ten club members are nominated for the following posts:  a president, a secretary, a…

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A: From the provided information, A class contains 30 biden supporters and 20 biden despisers. Total…

Q: A die is rolled once. Find the probabilities of the given events. Leave your answer as a reduced…

A: The probability of an event is given by:  P(event) = number of times the event occured in the sample…

Q: 24. Among 300 elementary school students, 258 said they like chocolate ice cream, 142 like vanilla…

A: Given that: The total number of students is 300. 258 like chocolate ice cream. 142 like vanilla ice…

Q: A jar contains 4 red marbles, 5 white marbles, and 8 blue marbles. Two marbles are randomly selected…

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Q: Write out the sample space and assume each outcome is equally likely. Then give the probability of…

A: Here we have to find probablity of the asking event.

Q: There are 32 fantasy novels, 11 science-fiction novels, 5 romance novels, and 7 mystery novels on a…

A: There are 5 romance novels Total novels = 32+11+5+7 = 55

Q: Dave's wardrobe contains 25 T-shirts, of which 10 are gray. Dave selects a T-shirt at random. What…

A: Given Dave's wardrobe contains 25 T-shirts, of which 10 are gray.

Q: multiple-choice examination has 50 questions, each with five possible answers, only one of which is…

A: Sample  size(n)=50p=probability of correct answer=q=probability of incorrect answers=A random…

Q: There are 7 students who are left-handed and 25 students who are right-handed in Miss Hill’s class.…

A: No .of students who are left-handed in Miss Hill’s class=7 No .of students who are right-handed in…

Q: A sack contains 32 red balls and 20 green balls If we mix them thoroughly and draw 2 balls at…

A: Given,no.of red balls=32no.of green balls=20Total no.of balls=52

Q: gray. Dave selects a T-shirt at random. What is the probability that Dave will select a gray…

A: Given Dave's wardrobe contains 25 T-shirts, of which 10 are gray.

Q: Write out the sample space and assume each outcome is equally likely. Then give the probability of…

A:

Q: Find the indicated probability. Ford Motor Company found out that 94% of the car's airbags are…

A: Given info: Ford Motor Company found out that 94% of the car's airbags are acceptable and 6% are…

Q: there are 100 adults in an urban area who are surveyed. of the adults surveyed, 94 have a driver’s…

A: Given Information: Total number of adults surveyed is 100. 94 of them have a driver's license.

Q: A standard deck of cards contains 52 cards, with 13 cards of each suit. Four cards will be dealt off…

A: Kindly upvote this if you found helpful and if you've any doubt then let me know...  Thank you

Q: Jimmy has a drawer with eight pairs of socks, of which four pairs are yellow (Y) and four pairs are…

A: Given: Total number of pairs  = 8 = (16 socks) Number of Yellow pairs = 4 = (8 socks) Number of Red…

Q: An examination consists of 20 multiple-choice questions. Suppose each question has four possible…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: A plant store is having a sale. They are selling 25 house plants that are full grown, 25 outdoor…

A: Total number of houseplant 25 +15 Total number of houseplant = 40

Q: A student takes a multiple-choice exam, where each question has five possible answers. At the end of…

A:

Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…

A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…

Q: Q3. Approximately 20% of cars have been recalled for a manufacturer's defects but have not repaired.…

A: From the provided information,

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A: We have given that,  Left handed students = 5 and right handed students  = 24 Then,  We will find…

Q: Use a computer to find the following probabilities. a. P(F7, 20> 2.5) c. P(F34, 62> 1.8) h PLF12 62>…

A: a) PF7,20>2.5: From the Excel function, =F.DIST.RT(2.5,7,20), PF7,20>2.5=0.0510

Q: WEIGHT LOSS EXAMPLE Being overweight may have many negative health consequences.  A weight…

A:

Q: According to Masterfoods, the company that manufactures M&M’s, 13% of peanut M&M’s are brown, 19%…

A: Probability quantifies the chances of the happening of an event. The probability values always lie…

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A:

Q: Determine the values of random variable in the following situation. Two dice are rolled. Let Y be…

A: Given that the two dice are rolled. The total outcomes are, (1, 1), (1, 2), (1, 3), (1, 4), (1, 5),…

Q: One hundred voters were asked for their preference in the upcoming Presidential elections. Their…

A: We have given that n(S) = 100 n(A) = 65 n(B) = 55 nA∩B =25

Q: At Central, there are 140 tennis players total on JV and Varsity. 90 are male, 50 are varsity, and…

A: From the given information. Total number of players = 140 Number of Male = 90 NUmber of varsity = 50…

Q: An antique Roman coin is biased towards tails due to a heavy decoration stamped on the back. The…

A: We have to find probability of getting one head and one tail

Q: a. at most three used the emergency room.  b. exactly three used the emergency room.  c. at least…

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Q: If we draw 2 cards with replacement, what is the chance that the first draw is green and the second…

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Q: 1. Amy has a personal email account and a work email account. 60% of her emails come into her work…

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Q: Below is a list of all possible outcomes in the experiment of rolling two die. 1, 1 1, 2 1, 3 2, 1…

A:

Q: Suppose P(B) = 0.5, P(D) = 0.4, and P(BND) = 0.3. Find the probabilities below. a. P (DC) b. P (BC)…

A: GivenP(B)=0.5P(D)=0.4P(B∩D)=0.3

Q: One hundred voters were asked for their preference in the upcoming Presidential elections. Their…

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Q: A box contains marbles of five different colors: red, green, blue, yellow, and purple. There is an…

A: Sample space S ={ red, green, blue, yellow,  purple }

Q: 5B. John packs four t shirts for a trip to the beach. If he owns nine t shirts, four of which are…

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Q: A student must take a multiple-choice exam with only one answer, the exam consists of 20 questions…

A: Given: n = 20 p = 1/4 = 0.25 Here, we use binomial distribution

Q: Out of 2500 light bulbs that were tested, 135 were defective. Based on this information calculate…

A: The formula for proportion is   P= x/n

Q: Question 11: Find the probability that at least one of them gets off on the 5th floor.

A:

Q: Please answer correctly.

A: Solution