A crypto trader has been studying the performance of a coin and found out the coin's value on any given day either goes up or down by one point. After studying for 6 months, she noticed it only went up for 25% of the days and went down for the rest. We want to find the probability that the coin will be of a certain value on a particular day. Assume that the daily movements in the coin’s value are independent events. What is the probability that the price of the coin has increased from its current value after 3 days?

Q: A researcher studying reaction time of drivers states that, A 95% confidence interval for the time i...

A:

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

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

Q: The ranking of ten students in two subjects A and B are s follows: А: 3 5 4 7 10 2 1 6 6 4 9 What is...

A:

Q: 1. The data betouL represents the heights (cm) of 20 boys 140 138 133 148 160 153 131 146 134 136 14...

A: Disclaimer : “Since you have posted a question with multiple sub-parts, we will solve first three su...

Q: Ten competitors in a musical test were ranked by the three judges x, y and z in the following order ...

A:

Q: 2.70 Bills 1. What percent of fifty-dollar bills were donated to the organization? 27.02 50 ISS 2. W...

A: According to the answering guidelines, we can answer only three subparts of a question and the rest ...

Q: A multiple choice test consists of 8 questions with 3 answers (of which only one is correct). A stud...

A:

Q: Example 23. The coefficient of rank correlation of marks obtained by 10 students in statistics and a...

A:

Q: If a die is rolled one time, what is the probabilities of each outcome: a. getting a number greater...

A: GivenA die is rolled one timethen the outcomes are{1,2,3,4,5,6}Total no.of outcomes = 6

Q: Suppose that x has a beta distribution with parameters a = 2.4 and B = 1. Determine to 4 decimal pla...

A: Any real valued function defined from sample space corresponding to the probability is known as rand...

Q: 2. The recommended price for 1 kilo of pork is Php 225 pesos. A researcher wants to know if a certai...

A: We have given that  Population mean =225 Sample size n =14

Q: Example 42. The mean and standard deviation of 20 items was found Later, it was found that item 12 w...

A:

Q: The following zero order correlation coefficients are given : r12 = 0.5 r13 = 0.6 r23 =.7 Calculate ...

A:

Q: a.Construct the probability distribution of X. b.Find the probability of winning any amount in the p...

A: here prepare table from given information  here ticket cost = 1000  and there are 3 prizes of differ...

Q: Mary is packing for a business trip. She packs 4 pairs of shoes, 5 skirts, 4 pairs of slacks, 6 blou...

A:

Q: 26. Four workers work in a small factory assembling chairs in which of them respectively assembles 3...

A: Given:   Worker Proportion of chairs assembled Proportion of defectives  1 30% 7% 2 30% 5% ...

Q: Match the correct critical values for the t, and chi-square and tolerance interval factor - v x2 0.0...

A: as per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other ...

Q: An officer was tasked to determine the total number of laboratory rooms in need of repair. By drawin...

A: Given that An officer was tasked to determine the total number of laboratory rooms in need of repair...

Q: .The average length of a flight by regional airlines in the United States has been reported s464 mil...

A: We have given that  Sample size n = 30 Sample mean =479.6 Standard deviation =42.8

Q: What is the mean of the probability distribution?    a. 1.5 b. 1.6 c. 1.2 d. 1.8

A:

Q: (d) What is the probability that the total number of customers in the two lines is exactly four? At ...

A: here use given joint probability  distribution table  x1 = no of customers in line at express checko...

Q: Example 5. For the following data, find the standard deviation and the co-efficient of variation. Ma...

A:

Q: An industrial company claims that the mean pH level of the water in a nearby river is 6.8. You rando...

A: We have given that  Sample size n = 19 Sample mean =6.7 Standard deviation =0.24

Q: A laptop company claims up to 11.5 hours of wireless web usage for its newest laptop battery life. H...

A: The use of standard normal probability distribution table helps us in ascertaining the percentage of...

Q: (i) Coefficient of determination, (ii) Coefficient of correlation, and (iii) Standard deviation of Y...

A:

Q: on: on a short bond paper, solve the following problems. Show your complete solution. I. INDEPENDENT...

A: Two sample t test : he 2-sample t-test (also called the freelance samples t-test) could be a applied...

Q: Let X be a discrete random variable and let Mx(t) be its moment-generating function. Rx(t) = In(Mx(t...

A:

Q: Suppose that X has a lognormal distribution with parameters 0 = 5 and w2 = 9. Determine the followin...

A:

Q: he Yupi Diliman Chancellor wants to know the current condition of the laboratory rooms in the campus...

A: Simple random sampling: If a sample of n subjects is selected then every unit in the population has ...

Q: Do you find any association between the temperaments of brothers and sisters from the following data...

A:

Q: Arrange the steps in teacher-made test construction 1. interpreting the test 2. reproducing the test...

A: The steps in teacher-made test construction are as follows: 1) The teacher first plans the test. 2) ...

Q: Suppose your school principal wants to know how the students go to school so that the matter will be...

A: Disclaimer : “Since you have posted a question with multiple sub-parts, we will solve first three s...

Q: a die is rolled one time, what is the probabilities of each outcome: a. getting a number greater th...

A: Here  x=Number on the die Rolled One dies is rolled  Die has 6 faces and each has same probability o...

Q: Evaluate the following: 1. 10! 2. 5! 3! 3. (10-2)!

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for you...

Q: Given that Y(t) = x(a) da, where (X(t)} is a WSS process, prove that 2€ sin’ e w S„(@) S„(@). Hence ...

A:

Q: 2 Example 42. The mean and standard deviation of 20 items was found Later, it was found that item 12...

A:

Q: Suppose that customers arrive at a bank according to a Poisson process with a mean rate of 3 per min...

A:

Q: individuals

A: Research Problem steps: A.    Research Design B.    Source of the Data C.     Technique for Collecti...

Q: I. Type I error is committed when they approve the new procedure when in fact it would cure only les...

A: Here Take P=Proportion of Injuries cures by Procedure is being tested by Konoha general hospital 

Q: 2. A scrap metal dealer claims that the mean of his cash sales is "no more than $80," but an Interna...

A: Given that: Population mean(u) = $ 80 Sample mean = $ 91 SAMPLE standard deviation = $21 Sample size...

Q: State if each scenario involves a permutation or a combination.

A: State if each scenario involves a permutation or a combination.  

Q: A researcher assures that in his country, on average, the salary of workers is less than $5000.00. ...

A: The given data is salary of 7 workers. We have to conduct t test to analyze the given data under 98%...

Q: Find the mode of the following : Marks : 1-5 6-10 11-15 16-20 21-25 16 32 24 No. of candidates : Mar...

A:       Class Frequency (f) 0.5 - 5.5 7 5.5 - 10.5 10 10.5 - 15.5 16 15.5 - 20.5 32 20.5-...

Q: Q1. The random variable X has an unknown mean but known variance of 8 i.e. X~N (μ, 8). A random samp...

A: Given  X~N(μ,σ2=16), n=16, x̄=7, sample variance=S2=11  

Q: which situation illustrates a permutation? a. selecting 5 questions to answer out of the 10 question...

A: Selecting 5 questions to answer out of the 10 questions in a test. Permutations means arrangement of...

Q: The mean and standard deviation of 200 items are found to be 60 and 20 respectively. If at the time ...

A:

Q: Illustration 34. Find the least value of r in a sample of 27 pairs from a bivariate normal populatio...

A:

Q: Obtain the autocorrelation for an ideal low pass stochastic process.

A:

Q: Fn column vs. x on the graph below. Fn-1 Direction: Complete the table below. Then graph the Describ...

A: Scatter plot is the graphical representation of the relationship between two variables of a data-set...

Q: 3 with graph

A: The z test are used to measure the mean significance exist between the sample and population. Used w...