A baseball player has a hitting average of 0.325. If seven at-bats are randomly selected, what is the probability of getting 4 hits? 0.01 0.02 0.08 0.12

Q: Northside Middle school has 480 sixth-grade students; 55% are girls and 45% are boys. The school…

A: Define event G as the student is a girl. Define event B as the student is a boy. Define event O as…

Q: on a tropical day at the beach in southern California, a beachgoer will encounter 12 different…

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Q: In a standard deck of cards, what is the probability of getting a club or a red card? 1.00 0.75…

A: Deck consists of 52 cards n(S)=52 Let , E be event that card is club. F be event that card is red.…

Q: In a local college, 70% of students have a part-time job outside of school. Suppose that we want to…

A: Here we need to find the following probabilities using binomial distribution.

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 8 type A balls, 5 type B…

A: Number of type A balls = 8 Number of type B balls = 5 Number of type C balls = 3 Total number of…

Q: A tine test is commonly used to determine whether a person has been exposed to tuberculosis.…

A: A tine test is commonly used to determine whether a person has been exposed to tuberculosis.…

Q: A college claims that 70% of students receive financial aid. Suppose that 4 students at the college…

A: Let X denote the number of students receive financial aid and it follows binomial distribution with…

Q: A study contains 31 women and 24 men. If 3 subjects are randomly selected without replacement, what…

A: Solution-: We have, Number of women =31, Number of men =24            Total number of persons (Women…

Q: 5) People were asked if they prefer Pepsi or Coke. The results are in the table below. Female Male…

A: ( a ) P( both prefer Pepsi) = ? ( b ) P( Female or Coke ) = ?

Q: The probability that South Florida will be hit by a major hurricane category 4 or 5 in any single…

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Q: Trays consisting of 40 eggs each are deemed unacceptable if they contain 3 or more cracked eggs. The…

A: Correct answer is  (C)   0.3011

Q: a. If 50 persons were tested in a specific testing center, what is the probability of getting 10…

A: Here  P = probability of tested positive  = 0.60 q= 1-p = 0.40

Q: Pip is the proud owner of an eclectic bow tie collection. He keeps track of how many bow ties he…

A: GivenThe probability that a bow tie is designed with zigzags = 0.5The probability that a bow tie is…

Q: Thirty percent of an airline’s planes are jumbo jets. Sixty percent of the airline’s pilots are 45…

A: Thirty percent of an airline’s planes are jumbo jets.  P(airline’s planes are jumbo jets) = 30% =…

Q: In a local college, 70% of students have a part-time job outside of school. Suppose that we want to…

A: Solution: Let X be the number of students have a part-time job outside of school and n be the sample…

Q: In a family gathering, twelve people sit around a round table, among them couple AA wants to sit…

A: Given: In a family gathering, twelve people sit around a round table, among them couple A wants to…

Q: A pump has a failure, on the average, once in every 5,000 hours of operations. What is the…

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Q: A golf ball is selected at random from a golf bag. If the golf bag contains 5 type A balls, 8 type B…

A: Here  the golf bag contains 5 type A balls, 8 type B balls, and 3 type C balls, Then, total balls =…

Q: (a) What is the probability that the receiver gets a 0? (b) If the receiver gets a 0, what is the…

A: Let us define some events A : the system transmits 0. B : the system transmits 1. E : the receiver…

Q: As you shop for dog treats, a seller advertises that 95% of veterinarians recommend their treats.…

A: The probability distribution function of binomial distribution is: Where, n = sample size, x =…

Q: (a) What is the probability that team A will win the series in 6 games? (b) What is the probability…

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Q: About 10% of the population of a large country is hopelessly romantic. a) If two people are…

A: According to the provided data, the probability of any individual being hopelessly romantic is 10%,…

Q: All the fourth-graders in a certain elementary school took a standardized test. A total of 85% of…

A:

Q: A person is randomly selected. What is the probability that the person is: a) Male? b) Male and a…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks Given Data :…

Q: Suppose a math class contains 28 students. There are 10 females (six of whom speak Spanish) and 18…

A: Hello there! there are more than one question. According to our policies we cannot answer more than…

Q: According to a certain country’s department of education 44.7% of 3- year-olds a

A: Percentage of 3-year olds enrolled in a day car = 44.7%

Q: A random sample of 2055 adults was taken, and they were asked if they prefer watching sports,…

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Q: Sixteen percent of U.S. residents are in their thirties. Consider a group of seven U.S. residents…

A: Given datan=7p=0.16Binomial theoremProbability of x success out of n trial is given by

Q: he proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given that The proportion of eligible voters in the next election who will vote for the incumbent is…

Q: a. What percent of cups will receive less than 11.25 oz of soda? b. What percent of cups will…

A: Given, μ=11.5σ=0.2

Q: Seventeen percent of U.S. residents are in their twenties. Consider a group of seven U.S. residents…

A: Given information:Population proportion (p) = 17%                                         p =…

Q: 10. In a family with 77 children, excluding multiple births, what is the probability of having…

A: The probability of having exactly 2 girls is obtained below: The probability formula is given below:…

Q: a. What is the probability that the baker will sell more than one batch? b. What is the probability…

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Q: Esmeralda buys a bag of cookies that contains 5 chocolate chip cookies, 8 peanut butter cookies, 5…

A: It is given that a bag contains 5 chocolate chip cookies, 8 peanut butter cookies, 5 sugar cookies…

Q: What is the probability that a particular top executive reads either Time or U.S. News & World…

A: Define some events A: A top executive reads Time B: A top executive reads U.S news and World…

Q: A placekicker for a football team makes field goals 55% of the time when kicking from the 35-yard…

A: Given that  Probability mass function Field Goal 0 1 2 3 4 5 Probability  0.02 0.11 0.27 0.34…

Q: A fruit retailer complains to a wholesaler that 60 percent of the boxes of apples shipped to the…

A: As per our guidelines we are suppose to answer three sub parts .

Q: Adult men's heights (in inches) are normally distributed with μ = 70 and σ = 3. Adult women heights…

A: For men:mean(μm)=70standard deviation(σm)=3For women:mean(μw)=67standard deviation(σw)=2

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 8 type A​ balls, 5…

A: No.of type A balls =  8 No.of type B balls = 5 No.of type C balls = 6 Total number of balls =19…

Q: In the United States, voters who are neither Democrat nor Republican are called Independent. It is…

A: Here the given situation follows a binomial distribution.

Q: 10. The senior class is 55% female, and 32% are females who play a competitive sport. Find the…

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Q: Internet Doctors: Assume that 55% of adults learn about medical symptoms more often from the…

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Q: A math class consists of 40 students, 23 female and 17 male. Three students are selected at random,…

A: Solution:- Hey there ! Thank you for posting your questions. As per the guidelines we are supposed…

Q: In the United States, voters who are neither Democrat nor Republican are called Independent. It is…

A:

Q: Food allergies affect an estimated 7% of children under age 5 in the US. What is the probability…

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Q: A drawing class was assigned a final project where students had to choose one art medium and one…

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Q: The probability that åh adult possesses a credit card is .65. A researcher selects three adults at…

A:

Q: According to the administrative data from school, 76% of the students have a part-time job. Suppose…

A: Let P denote part-time job and S denote senior. Given: PP=0.76PS=0.28PP∩S=0.21 The probability that…

Q: Transportation officials tell us that 90% of drivers wear seat belts while driving. What is the…

A: Let p be the probability that driver wear seat belt. n=600, p=0.90,  P(525<X<530)= ?

Q: a) What is the probability that a memory board operates satisfactorily? b) If there are six such…

A: Answer is given below: