(4) The probability that a person likes coffee is 0.4. If we pick a random sample of 25 people, what is the probability that at least 11 of them like coffee?

Q: use the probability of the union of two events, independent, or dependent events in solving the…

A: The union of two sets are calculated by adding two event and subtracting the intersection of two…

Q: A bag contains 7 red marbles, 6 white marbles, and 8 blue marbles. You draw 3 marbles out at random,…

A: (a)   Obtain the probability that all the marbles are red.   The probability that all the marbles…

Q: 10.) A 2014 survey suggests that 71% of U.S. teenagers use Facebook, 33% use Twitter, and  15% do…

A: Solution: Let A be the event that the U,S teenagers use Facebook B be the event that U.S teenagers…

Q: Bonami High School has 82 juniors at its school. There are 29 students enrolled in Spanish class and…

A: Total students in school is 82 number of students enrolled in spanish class is, n(S) = 29number of…

Q: 4) A box contains 10 red and 12 white rose flowers. Flowers are picked up at random one by one…

A: The number of red flowers in the box are 10. The number of white flowers in the box is 12.

Q: You decided to buy a white Honda. One out of five Honda cars at the dealerships is white. If you…

A: Introduction: If X ~ Binomial (n, p), then the probability mass function of X is: Here, n is…

Q: John has 10 ties (7 are blue and 3 are red) and 4 pairs of shoes (2 brown and 2 black). He selects…

A: Given information: The number of blue ties is n(BT) = 7. The number of red ties is n(RT) = 3. The…

Q: (11) Four siblings, Paula, Mike, Stephanie, and Kurt, are randomly seated along one side of a long…

A: Given data four siblings  Paula, mike, Stephanie, and Kurt are randomly seated along one side of a…

Q: 1. A box contains 50 laptops, 10 of which are defective. 5 laptops are selected. Find the…

A: Solution-: (1)A box contains 50 laptops, 10 of which are defective. 5 laptops are selected. Find the…

Q: A group consists of 10 girls and 8 boys. They are to sit sit side by side on a bench. What is the…

A: Given that there are 10 girls and 8 boys. So total (10+8)=18 girls and boys. So 18 persons can be…

Q: Random sample of twenty students is selected, 15% of the students are female. what is the…

A: Solution: Let X be the number of female students. From the given information, n=20 and p=0.15. Here,…

Q: In chemistry class, there are 10 boys and 20 girls. 5 of the boys and 12 of the girts got at least…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: You flip a fair coin 10 times. What is the probability that it lands on heads exactly 5 times?…

A: From the given information we find the probability.

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 problem in statistics is given to three students A, B and C whose enhances of solving it are 1/2,…

A: Given : The probability of solving a problem by students A, B and C is 1/2,3/4 and 1/4

Q: In a survey, 205 people indicated they prefer cats, 160 indicated they prefer dogs, and 40 indicated…

A: From the provided information, 205 people indicated they prefer cats, 160 indicated they prefer…

Q: A book can be classified as either non-fiction or fiction. Suppose that 96% of books are classified…

A: It is given that 96% of books are classified as fiction.

Q: Suppose 38% of the teachers at a high school are male teachers. What is the probability that of your…

A: Let x follows binomial distribution with parameters n = 6 and p = 0.38   The pdf of binomial…

Q: 6. Six boys and six girls sit in a row. Find the probability that (a) the six girls sit together (b)…

A:

Q: A couple plans to have four children. The father notes that the sample space for the number of girls…

A: Given information- We have given that, a couple plans for 4 children. The sample space for the…

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: Use combinations to answer the following problem: I want to choose a group of students from my…

A: Combination:It represents the number of ways to choose x elements from a set of n elements. In…

Q: 2. A car-wash operator counts the number of cars arriving at the premises and finds that, on…

A: Given data λ= 4 per hourX = no. of cars arrive in an hourP(x=0) = ?

Q: You wish to play a three-number lottery with your favorite data 8, 2 and 5.  After a number is…

A: Given dataThere are 3 numbersRepetition is allowedWe are drawing a single number with replacement,…

Q: 2. There are two multiple-choice questions on a quiz, one with four answer choices and one with six…

A: Step 1: Define the events.E1 = choosing the correct option for the first question.E2 = choosing the…

Q: 9. In a group of 50 students, the probability that at most 35 of them like to play soccer is 57%.…

A: for any queries message me    happy learning

Q: Suppose that X1,.…,X, is a random sample from the Gamma distribution with density f(x; a, B) = r(a)…

A:

Q: he probability of an event is 0.0825. For which standard significance level would this event be…

A: The probability of an event is 0.0825.

Q: 4. At a High school, 70% of the seniors have taken an advance calculus course. Of those who have…

A: Let us denote:A=Advanced calculus courseB=Pre health science majorGiven that P(A)=70%=0.70,…