Suppose a particle moves along tje x-axis beginning at 0. It moves one integer step to the left or right with equal probability. What is the probability function of its position after four steps?

Q: Find the probability ​P(Ec​) if ​P(E)=0.25.

A: We want to find vlaur of people(Ec)

Q: At a certain university it has been estimated that the probability that a male freshman will major…

A: Given that the probability that a male freshman will major in math is 1/10 and the probability that…

Q: A student is writing a quiz with four t/f questions.  The student wants to know the theoretical…

A: The provided information is as follows:The total number of questions is .There are two choices for…

Q: Two friends play a ball picking game where one wants to avoid the ‘black’ ball: The two friends each…

A: let first person is you and second person is friend . All possible outcomes of this experiment are…

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

A: The total number of cookies is  8×4 =32. The total number of sugar cookies is 8. The total number of…

Q: An office building has two fire detectors.  The probability is 0.15 that any fire detector of this…

A:

Q: Suppose that the probability that Bob will go downtown is  45%.  Now, also suppose that if Bob goes…

A: Given, Suppose that the probability that Bob will go downtown is  45%.  Now, also suppose that if…

Q: find the probability that a random chosen point i in the figure lies in the shaded region.

A: The entire region is a equilateral triangle of side length=a=10 inSo the area of the…

Q: The probability that a student pilot passes the written test for a private pilot's license is 0.55.…

A: Probability distributions are of two types, discrete and continuous distributions. Binomial…

Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…

A: Solution: 2. Let X be the number of adults use their smartphones in meetings or classes and n be the…

Q: A professor of management has heard that seven students in his class of 47 have landed an internship…

A: According to the provided data, there are 7 students out of 47 who got the summer internship. A…

Q: Let x = the number of meals that a person eats at a restaurant in one day. Suppose P (x = 0) = 0.2…

A:

Q: A biased coin having probability p of landing heads is tossed repeatedly, with the outcomes of…

A: As per the Bartleby guildlines we have to solve first question and rest can be reposted... Given…

Q: At the cartons  produced by a company 3% have a puncture 6% have a smashed corner and 0.4% have both…

A: Given that , cartons produced by a company, 3% have a puncture, 6% have a smashed corner, and 0.4 %…

Q: distributed with μ = 200.75 and σ = 30.25. [a] Find the probability that an elephant’s birth weight…

A:

Q: - If P(X,) =0.4 feed to the transition channel shown beside find the joint probability matrix.

A: Note: Hi there! Thank you for posting the question. As your question has 6 different questions, as…

Q: The probability that a person living in a certain city owns a dog is estimated to be 0.25. Find the…

A: In this case, it is needed to find the probability that the tenth person randomly interviewed is the…

Q: A string of Christmas lights contains 20 lights. The lights are wired in series, so that if any…

A: Given that Light has probability of 0.02 of failing during 3 year period

Q: The power of a study is 1 minus beta equal the probability that a researcher will reject H0 when H0…

A: Power of the test is the probability that the test correctly rejects a null hypothesis which is not…

Q: student goes to the library. Let events B = the student checks out a book and D = the student checks…

A: Given that ,P(B) = 0.2, and P(D) = 0.65 and P(D/B) = 0.25. Compute P( B and D).

Q: Suppose one randomly chooses a values X on the interval (0, 2), and then random choosing a second…

A:

Q: Assume that an environmentally transmitted disease is introduced to a community. The proportions of…

A:

Q: The power of a study is 1 minus beta equal the probability that a researcher will reject H0 when H0…

A: It is an important part of statistics . It is widely used .

Q: You'll be using this joint probability distribution function to calculate the covariance between Y…

A: We have to calculate covariance between two discrete variables.