A person has taken a job to build a project. The probabilities of completion of the job on time with and without rain are 0.40 and 0.92 respectively. If the probability that it will rain is 0.44, then determine the probability that the project will be completed on time.

Q: Bob selects independent random samples from two populations and obtains the values p1 = 0.700 and p2...

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Q: 1. A baseball team that has 15 players on its roster. Nine players will be selected for their starti...

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Q: E= || Lower limit = Upper limit =

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Q: Determine the correlation for the following joint probability distribution y f(X.y) | 1/8 1 1 2 4 3 ...

A: Let X and Y be two random variables. Then the correlation coefficient between X and Y is given by, ...

Q: 14. Which of the following show a simple event? A. Getting a sum of 4 in rolling dice. B. Choosing a...

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Q: Determine the correlation for the following joint probability distribution 1 2 4 y 3 4 7 frv(X,y) | ...

A: Introduction: The two discrete random variables are X and Y, with joint probability mass function f ...

Q: 8. Amanufacturing process has a 70f% yield, meaning that 70%% of the products are acceptable and 30%...

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Q: The mean weight of sachet of 3-in-1 coffee is 20 grams with a standard deviation of 1.2 grams. A sam...

A:   Mean = 20 Variance = (0.2)^2 = 0.04 Standard deviation = 0.2          

Q: normal distribution and graph clearly. Show your complete solution and write clearly and readable. T...

A:  Given that.   X~N( μ , ?^2 )   μ=28    , ?=4   Z-score =( x - μ )/?

Q: The probability that a newborn baby does not cry after midnight is 2/50. The probability that a newb...

A: Given that  Probability mass function of X is  x 0 1 2 3 4 5 P(X=x) 2/50 11/50 23/50 9/50 5/50 ...

Q: The answer above is NOT correct. You ask a neighbor to water a sickly plant while you are on vacatio...

A: Given that   P( die | no water) =0.7   P( die |  water) =0.55   P( water ) =0.87   P(no water ) =1-0...

Q: Use the plurality with elimination method to determine the winner of the election. Four students are...

A: The given information is There are 4 students  A-Ariana, B-Brett, C-Carlos, D-DeeDee There are 5 clu...

Q: "For the following system, write down the expression for system reliability: A C E D C Assuming that...

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A: A game is played using a four-sided wooden top, with one of four letters on each face, A, B, C, or D...

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Q: . How many are greater than 330 in a group of 3 digit numbers forme d 5 where digit (s) may be repea...

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Q: Express the indicated degree of likelihood as a probability value. 1. There is a 92% chance of rain ...

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Q: 10.0cherwise, Compute the probability

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Q: When n is large, typically bigger than 40, we can use the to be equal to ơ. mean

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Q: . If a population has a mean of 4.87, what is the mean of the sampling distribution of its sample me...

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Q: What is the probability that a roll has the red and the blue showing both even numbers?

A: Here number rolled on each die is independent from each other     

Q: According to a research, the average young adult spends 5.6 hours in front of a computer, with a sta...

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Q: Pamela has a box that contains five books of fiction, eight books of humor, seven books of plays and...

A: Given: Number of fiction books = 5 Number of humor books = 8 Number of plays books = 7  

Q: A list of the top twenty restaurants in Chicago was released. Four of the restaurants specialize in ...

A: Given that  Total restaurants=20 Seafood restaurants=4 p=4/20=1/5=0.20 , q=1-p=1-0.20=0.80 5 of the ...

Q: Ex. 1. 7. The mean age of non-residential buildings is 30 years and their standard deviation 5 years...

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Q: Four cards are drawn from an ordinary deck of 52 cards. Find the probability that (a) all cards are ...

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Q: Mia work in an automotive tire factory. The number X of sound but blemished tiles that she produces ...

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Q: Suppose that the Cumulative distribution function (CDF) of the random variable X with parameter 0 > ...

A: Given X~exp(1/θ)  

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Q: Čalculate the range of birthweights that will account for 68% of infants: Low value = grams High val...

A: Here use IMPIRICAL RULE 

Q: The time to the nearest whole minute, that a city bus takes to go from one end of its route to the o...

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Q: 19. In a certain college, 33% of the physics majors belong to ethnic minorities. If 10 students are ...

A: We have given that  Success of probability p =33%=0.33 Number of trials n=10 X~binomial ( n ,p)  

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A: Let A denotes white, red by α, armed by B, unarmed by ß, with ammunition by C, and without ammunitio...

Q: Given that z is the standard normal variable (with mean 0 and standard deviation 1), find (4 decimal...

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Q: Suppose that among salmon fish that are longer than 80cm, their weights have a mean of 6.4kg and a s...

A: Given information: μFish=6.4, σFish=0.50 n = 120    

Q: A Construct the probability distribution for the random variables described in each of the following...

A: Probability is the chance of occurrence of an event. 

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Q: Withdrawal symptoms may occur when a person using a painkiller stops using it. For a certain, widely...

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