2. A large population of crickets contains 30% who can chirp. Suppose 4 crickets are selected at random from this population, find the probability that (a) all can chirp, (b) at least one can chirp, and (c) exactly 2 can chirp.

Q: Suppose that 30% of boys opted for mathematics and 50% of girls opted for mathematics. What is the…

A: Given that 30% of the boys opted for mathematics. And 50% of the girls opted for mathematics. Let us…

Q: At a certain university, 5% of men are over six feet tall and 2% of women are over 6 feet tall.…

A:

Q: At a certain​ hospital, 18 patients have lung​ cancer, 16 patients​ smoke, and 14 have lung cancer…

A: It is given that, The hospital contains 90 patients. Number of patient who has lung cancer = 18…

Q: In a random group of 5 individuals, what is the probability that at least two of them have the same…

A: We have given that the group of 5 individuals.

Q: Suppose you roll a six-sided die, with sides numbered 1, 2, 3, 4, 5, and 6, and with each number…

A: a) All possible outcomes= 1, 2, 3, 4, 5, and 6 So total 6 possible outcomes.   The possible outcomes…

Q: A poll finds that 72% of Jacksonville consider themselves football fans. If you randomly pick two…

A: According to the provided information, 72% Jacksonville consider themselves football fans. So, the…

Q: Example 10: A survey from Teenage Research Unlimited (Northbrook, Illinois) found that 30% of…

A: Given: n=5p=30%=0.3q=1-p=1-0.3=0.7

Q: Approximately 9% of people are left-handed. If two people are selected at random, what is the…

A:

Q: Suppose that 60% of all consumers favour internet shopping. If 5 consumers are randomly sampled and…

A: We have given that,  X be the random variable from binomial distribution with probability of success…

Q: In a group of 15 people 5 can speak german. If 3 people are selected at random to be sent on a…

A: Total number of persons = 15 Number of persons who speak German = 5 Sample size = 3

Q: A probability experiment consists of two stages, in which a 6-sided die is rolled in the first stage…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: Example 5: Box A contains 5 red and 3 white marbles and box B contains 2 red and 6 white marbles. If…

A: Answer: From the given data,

Q: At a certain college, there were 600 science majors, 200 engineering majors, and 400 business…

A:

Q: Suppose that in a class of 100 students, 25 students major in Economics, 30 in Finance, and 45 in…

A: In question, Given that in a class of 100 students, 25 students major in Economics, 30 in Finance,…

Q: In a certain college, 33% of the physics majors belong to ethnic minorities. If 10 students are…

A: Consider X be random variable which follows binomial distribution indicates the students belongs to…

Q: 8. The table at the right shows the number of credit Gender/# of Cards Zero 2 or more Total cards…

A: Total numbers  of females  having 2 or more credit cards are 20. Total number of persons are 82.…

Q: If two coins are tossed at once, what is the probability of getting only one head?

A: Probability of an event is the ratio of number of favourable outcomes to total number of possible…

Q: In a particular class, there are 12 freshmen, 6 sophomores, 4 juniors, and 2 seniors. If the…

A: Given,no.of freshmen=12no.of sophomores=6no.of juniors=4no.of seniors=2total no.of students =24

Q: 2. From a group of 12 people, what is the probability that: a) none share a birthday b) at least two…

A: Probability is the measure of likelihood. It is calculated by dividing the number of favorable…

Q: Q: If 5% of the people are carriers of a certain disease and 10% of them are young, what is the…

A: Given: % of people that are carriers = 5% % of people that are young = 10%

Q: 23. A bag has 3 teal marbles, 2 fuchsia ones, 2 white ones, and 1 purple one. If you choose 5…

A: Answer is below

Q: A psychology class consist of 28 males and 52 females. If the professor selects names from the…

A: It is given that a psychology class consist of 28 males and 52 females. Thus,  Total number of…

Q: At a car manufacturing plant, 10% of cars have some sort of defect when they come off the line. If…

A:

Q: A survey reveals that 20% of the girls are Riphah come from remote areas. If 20 Riphah Girls are…

A: Binomial distribution is discrete distribution that deals with the probabilities of success and…

Q: At a certain university, 5% of men are over six feet tall and 2% of women are over 6 feet tall.…

A: Probability deals with the chances of happening an event. Its value always fall between 0 and 1. An…

Q: Suppose you roll a six-sided die, with sides numbered 1, 2, 3, 4, 5, and 6, and with each number…

A: From the provided information, Total possible outcomes = 6 a) Total possible outcome rolling a…

Q: We are told that 37%37% of students at a large university are minorities. If a student from this…

A:

Q: 2) A committee of 8 is to be selected from 10 Biologists, 12 Chemists, and 14 Mathematicians. What…

A:

Q: 20. Suppose that 21% of people own dogs. If you pick two people at random, what is the probability…

A: Given,The probability people own dogs is 0.21

Q: 4.8) Suppose that 5 percent of men and 0.25 percent of women are color-blind. A person is chosen at…

A:

Q: 4. A set of traffic lights shows green for 45 seconds, amber for 5 seconds and red for 30 seconds.…

A: From the given information, Total time taken by traffic light is 80 seconds. For green it takes 45…

Q: Suppose a group of students take an influenza test and 96% of the students test positive. What is…

A:

Q: Suppose you shuffle a deck of cards and set it down on the table. (c) What is the probability that…

A:

Q: 3) The results of a survey of a group of 100 people who like either coca cola or pepsi is shown in…

A: There are two cases which are gender and drink. Gender has 2 types which are male and female. Drink…

Q: In a group of dogs, 20 dogs are poodles and 30 dogs are beagles. If a dog is selected at random,…

A: We want to find the probability a beagle is selected

Q: 2. A committee consisting of four women and three men will randomly select two people to attend a…

A: Hi, you have posted multiple question. As per the guidelines i am obliged to answer only first part.…

Q: At a certain hospital, 36 patients have lung cancer, 28 patients smoke, and 24 have lung cancer and…

A: Topic = Probability

Q: In a sample of ten men, it is found that six are physically fit. If four men are randomly selected…

A: General formula of probability is,  Probability = Number of favorable outcomes Total outcomes

Q: At a certain university, 5% of men are over six feet tall and 2% of women are over 6 feet tall.…

A: Given information: It was stated that 5% of men are over six feet tall. 2% of women are six feet…

Q: Example 2.24 In a city, suppose that only 60% of the people read a newspaper. What is the…

A: Let X be the number of reading the news paper  p be the probability of the people reading a news…

Q: Suppose that 40% of boys opted for mathematics and 60% of girls opted for mathematics. What is the…

A: Probability is chance of occurrence of an event ,i.e probability is ratio of number of favourable…

Q: In a certain college, 33% of the physics majors belong to ethnic minorities. If 10 students are…

A: Solution-: Given: n=10,p=0.33 We find, P[no more than 6 belong to an ethnic minorities]=?

Q: 1) A jar contains 3 purple marbles, 1 red marble, and 5 blue marbles? a) What is the probability of…

A: Given Data: The number purple marbles is: p=3 The number of red marbles is: r=1 The number of blue…

Q: In a certain community, 40% of the family have a pool in the backyard, 65% have kid(s) and 30% have…

A:

Q: Suppose that 28% of people own dogs. If two people are randomly selected, what is the probability…

A: Given that 28% of people own dogs. Sample size, n = 2

Q: (11) A three-person jury is to be selected, at random, from a pool that has 6 people with green eyes…

A:

Q: If a sack contains eight blue marbles and ten red marbles, and you randomly select four, what is the…

A: The sack contains 8 blue and 10 red marbles.

Q: 1. A bag of jelly beans contains 10 red, 6 green, 7 yellow, and 5 orange jelly beans. What is the…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A bag contains 3 red marbles, 5 blue marbles and 6 green marbles. If three marbles are drawn out of…

A:

Q: If 12 coins are tossed, what is the probability that six of them will be heads (approximately)?

A: Number of times coin is tossed = 12 Probability of getting head in single toss =0.5 Probability of…