A 6-sided die is rolled twice. What is the probability of showing a 5 on both rolls? Your answer is :

Q: Example 6. In a survey of 500 students in a college 180 were listed as drinking Tea, 275 as drinking…

A: Let T=students in a college were drinking TeaC=students in a college were drinking…

Q: Brgy. Tangub vaccination center : 15, 15, 17, 19, 24, 26, 27, 28, 31, 32, 33, 36, 38, 39, 42, 5, 46,…

A: We have given that,  The data set are :…

Q: There are 22 members of a basketball team. (1) The coach must select 8 players to travel to an away…

A: Given that

Q: 1. In your study, the population size is 10,000. What is the size of your sample if you allow 2%…

A: here AS PER GUIDELINES I HAVE CALCULATED FIRST MAIN QUESTION    here given population size  N =…

Q: In a large population, 52 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Let p be the proportion of vaccinated people. Given that p = 0.52 Let X denotes the number of…

Q: (i) How many different samples of 4 can be selected from the 50 disks? (ii) How many of these…

A: here given box contains 50 CD-ROM of which 5 are defective  quality control manager randomly select…

Q: It's G Firm 25th anniversary. They are giving prizes to every 25th response. Find the probability of…

A:

Q: A population of values has an unknown distribution with µ = 124.2 and o Fandom sample of size n =…

A: Given data,μ=124.2σ=58.3n=106

Q: Example 19. A lamp lighter has to light 100 gas lamps. He takes 1½ minutes to go from one lamp post…

A:

Q: Publishing The following table shows the results of a survey of 400 authors by a publishing company…

A:

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: how many ways are there to pick the set of people who are interviewed

A: We have given that  Total number of applicants = 50 After reduced the number of candidates than the…

Q: For numbers 15-24, consider the following. The joint pmf of X and Y are given in the table below: Y…

A: Introduction:  Correlation:  The correlation coefficient is given by, ρ=Cov(X,Y)σxσy Where, Cov(X,Y)…

Q: Let f(x)=k(4x -x²) if 03. (a) For what value of k is f(x) a probability density function? (b) For…

A: Given that  Probability density functions of X  f(x)=k(4x-x2)  , 0<x<3 f(x)=0     , x<0 ,…

Q: 1. Find the median of the following: 100-110 110-120 Weekly wages: 90–100 60-70 70-80 80-90 No. of…

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Q: Example 20. The monthly salary of a person was Rs. 320 for each of the first three years. He next…

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Q: 20. The following data states the number of ATM centres during 1995–2001. Year: 1995 1996 1997 1998…

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Q: 15. Fit a straight line trend by the method of least squares. Year: 1987 1988 1989 1990 1991 1992…

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Q: 8. A consultant's study found Mary's call centre had a 7% chance of transferring a call about…

A: When the occurrence of an event depends on the occurrence of another event, we use conditional…

Q: The heights of American adult males are normally distributed with a mean of 177 cm and a standard…

A: Empirical rules:1) P(μ-σ<X<μ+σ)=68%2) P(μ-2σ<X<μ+2σ)=95%3) P(μ-3σ<X<μ+3σ)=99.7%

Q: Example 22. A piece of equipment cost a certain factory Rs. 6,00,000. If it depreciates in value,…

A:

Q: (2) Determine the areas under the normal curve given the mean of the distribution µ = 80 and o =…

A:

Q: A computer room contains 100 PCs. The probability that a PC breaks down in a week is 0.005.…

A: Givensample size(n)=100probability that a PC breaks down in a week(p)=0.005

Q: Determine the probability of getting 9 exactly twice in 3 throws with a pair of fair dice. 8 А. 43…

A:

Q: You can tell if a distribution is normal because it is Approximately bell-shaped and symmetrical…

A: We have given that the statement about to the normal distribution. Here, need to find out the…

Q: 5. From the following details fit a straight line trend. Year: 1989 1990 1991 1994 1995 1992 1993…

A:

Q: Example 20. The monthly salary of a person was Rs. 320 for each of the first three years. He next…

A:

Q: versin Ths data quarfile is 19.5 gallans P

A: *Answer:  *a Here population is the production and consumption of food and agriculture products…

Q: on the 2 dice is "6". Are A and B independent? Let C be the event that the sum of the spots on the 2…

A: here given two dice are rolled  so total outcomes  = 36

Q: I. Tell whether each of the following is a combination or a permutation. Write PE if each statement…

A: We have given that the statements about to the permutation and combination.     Note: According to…

Q: A simple binary communication channel carries messages by using two signals 0 and 1.It was assumed…

A:

Q: Two coins are tossed once. What is the probability that a. they show the same faces? b. they show…

A: From the provided information, Two coins are tossed once. Total number of outcomes = 22 = 4

Q: For numbers 15-24, consider the following. The joint pmf of X and Y are given in the table below: Y…

A:

Q: Example 6 Find the median wage of the following distribution graphically: Wages (in Rs): No. of…

A: We have given that the grouped frequency table of wages and number of labourers.

Q: (b) A certain area of the Philippines is, on average, hit by 10 typhoons per year. (b.1) Find the…

A: Let λ be the average  Let X be the number of hyphoon  will Pass the area λ=10  X~Pois(λ=10)…

Q: 2. Consider the following circuit. The probability that each device functions correctly is p1 = 0.7…

A:

Q: 12. Find the following table. 1. Fit a straight line trend by the method of least square. 2.…

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Q: Example 7. In a random selection of 64 of 600 road crossing in a town, the mean number of automobile…

A: We have given that Sample size (n) = 64Sample mean (x̅) = 4.2Standard deviations (s) =…

Q: Average profit is E

A: here given a die is rolled  so there are total  6 possible outcomes with each have probability 1/6…

Q: Explain the Merits and Demerits of CDR (Crude Death Rate).

A:

Q: Test the hypothesis that the average content of containers of a particular lubricant is 10 liters if…

A: Given: n = 10 Data: 10.2,9.7,10.1,10.3,10.1,9.8,9.9,10.4,10.5,9.8 α = 0.01

Q: The joint pmf of X and Y are given in the table below: Y X 2 4 2 15 6 15 1 15 3 2 15 3 15

A: Here we have to find the variance V(Y) from the given joint distribution table

Q: A "punishment" game consists of two parts described as follows: • Step 1: Flip three fair coins, and…

A:

Q: The population of the College of Business Administration has increased from 1,260 to 1,440 students.…

A:

Q: Based from the record, the mean weight of the newborn babies is 4.8 lbs with a standard deviation of…

A:

Q: If the probability of engine malfunction during any one hour period is p = 0.02 and Y denotes the…

A: Given data, the probability of engine malfunction during any one hour period is p = 0.02 Let Y…

Q: Two cards are drawn from a shuffled deck of cards. Make a probability distribution table where rande…

A: From the given information, 2 cards are drawn from the deck of cards. In the 52 deck of cards, there…

Q: A sample of 19 joint specimens of a particular type gave a sample mean proportional limit stress of…

A: Given that

Q: Pop. Mean Stand. Dev. Sample size 1 73.00 10.00 14 2 62.50 6.00 8 (a) Construct the 95% confidence…

A: There are two independent samples which follows normal distribution. This is two independent sample…

Q: Suppose your friend has a lottery ticket that presents the following gamble: Win $91 with a…

A: From the given information, Win $91 with a probability p Lose $10 with a probability 1-p Also assume…