Let S be the sample space of an experiment of throwing an ordinary dice once. Define X as numbers more than 3, Y odd numbers. What is the probability of X U Y.

Q: An instructor for Probability & Statistics wants to investigate if a new teaching technique is more ...

A: Claim : the new technique is more effective

Q: A die is rolled three times. What is the chance that--- all the rolls show 1 spot?

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Q: A box contains 13 items of which 5 are defective. Three items are drawn at random from the box one a...

A: Probability : Probability could be a discipline of arithmetic involved with numerical explanations o...

Q: senior inspector will inspect 10 rooms this week. (d) To have a fair representation, how many sea-vi...

A: In ENJOY hotel, there are a total of 200 rooms. 160 rooms are ordinary-sized, and the rest are suite...

Q: For two cdfs F(x) and G(x), F(x)G(x) is a cdf.

A: Solution

Q: 3. Suppose that 10 balls are put into 5 boxes, with each ball independently being put in any one of ...

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Q: Variance is frequently used measure of dispersion for the probability distribution of a random varia...

A: Consider two lotteries. Lottery A is such that an individual receives a prize of 1 unit of a consump...

Q: an automobile is stopped by a roving safety patrol, each tire is checked for tire wear, and each hea...

A: P(X+Y≤1)=?   

Q: 1. A normal distribution of scores has a standard deviation of 10 and a mean of 50. Find the z-score...

A: Given that mu =50 , sigma =10 Find z score and area for the given questions

Q: Find the probability that there is at least one open route from city A to city C.

A: Here use complement of probability 

Q: If n=25, z-46, and s=5, construct a confidence interval at a 95% confidence level. Assume the data c...

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Q: QUESTION 6 Suppose that total cholesterol in US men aged 35-44 can be modeled by a normal distributi...

A: GivenMean(μ)=205standard deviation(σ)=37.8

Q: em 4. Players arrive at a casino at rate A, and begin betting be the total amount they lose by time ...

A: *Answer: 

Q: If the expectation of a Poisson variable is 1, then find P(X> 1).

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Q: Classify the following recurrent Markov chains as periodic or aperiodic. b) 5 5 4 4 3 2 3 2 d) 5 5) ...

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

Q: Bulbs with same specifications are installed in identical rooms of a building, with one light per ro...

A: X:  number of bulbs are replaced within two years X~binomial(n,p)  where  n=10             p=27%=0.2...

Q: Consider a small ferry that can accommodate cars and buses. The toll for cars is $3, and the toll fo...

A: In the given case, the table y represents the number of buses in the ferry that traveled along and x...

Q: 12. A supplier delivers an order for 20 electric töl electric toothbrushes are defective. What is th...

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Q: The number of customers waiting for gift-wrap service at a department store is an rv X with possible...

A: In this case, we can observe that the two events are not independent. The variable X represents the ...

Q: Refer to the given table in answering numbers 18-19. In the experiment of tossing coin twice, the fo...

A: Let X be the random variable having probability mass function is,  X 0 1 2 P(X)  1/4 1/2 1/4 ...

Q: Employees in 2012 paid 4.2% of their gross wages towards social security (FICA tax), while employers...

A:

Q: (TRUE / FALSE) For two random variables, X and Y , E(XY ) = E(X)E(Y ) if X and Y are uncorrelated.

A: Solution: The covariance between the random variable X and Y can be defined as  Cov(X,Y)= E(XY)- E(X...

Q: Suppose a computer company has manufacturing plants in three states. 50% of its computers are manufa...

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Q: theoretical correction for a Pearson’s correlation that boosts the size of the correlation when vari...

A: The relation between the Spearman and Pearson correlations will give some information. Briefly, Spea...

Q: McAllister et al. (2012) compared varsity football and hockey players with varsity athletes from non...

A: a) Let 'X1' be the random variable represents the test score for 'contact sport athletes' Let 'X2' b...

Q: he probability of the mango chosen at random being infested by worms is Find the xpectation and stan...

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Q: If one scanner is taken from each box, what is the probability that the scanners from the first and ...

A: here A pharmacy buys one box each of 50 thermal scanners from four different companies. There are 8 ...

Q: A card is drawn from an ordinary deck. Match the following with their probab 10 2 3 10 10 10 A diamo...

A: Given that - n (s) = 52

Q: Determines who wins the plurality vote and who wins the rank voting or preferential voting method in...

A: Please note that as per our guidelines we can answer the first three sub-parts only if the student p...

Q: In how many ways can we seat 7 people at a round table with a certain 3 people side by side?

A:

Q: P(30 <x<60) = 0.6293 (Round to four decimal places as needed.) d Find the number of women in the stu...

A:

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 12 seeds are planted, ...

A:

Q: et Y1, Y2,· ·, Y, be a random sample from a Normal distribution with mean u and variance o2. Th (n-1...

A:

Q: 15. The discrete probability distribution in which the outcome is very small with a very small perio...

A: Given a statement, we have to choose the correct statement and explain the statement.   

Q: What is interaction? Provide an example about the design of a study that involves the examination of...

A: Definition of interaction and its example is given below

Q: How many different words can we make using the letters A, B, E and L?

A: how many different words can we make using the letters A,B,E and L?number of different words=4

Q: Consider the visits that result in leave without being seen (LWBS) at an emergency department in the...

A: From the help of above given table we need to answer certain questions. 

Q: Customers at a petrol station pay with a credit card (4), debit card (B) or cash (C). Assume that su...

A: Solution: Given that: Customers a petrol station pay with a credit card (A), debit card (B) or cash ...

Q: Find the chance that the highest number rolled is a four when a single die is rolled 7 times.

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Q: A regional telephone company operates 3 identical relay stations at different locations. During a pe...

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Q: The annual rainfall in a certain region is modeled using the normal distribution shown below. The me...

A: Empirical rule: The probability of the observation lies within 1 standard deviation of the mean, un...

Q: If the Event A must occur with certainty, then the probability of this event is in * .(between O and...

A:

Q: A salesman is known to sell a product in 3 out of 5 attempts while another salesman in 2 out of 5 at...

A:

Q: A fair coin is tossed three times. What is the probability of getting a) exactly two heads (b) at le...

A:

Q: If the random variable ?takes the values 1, 2, 3, 4 such that 3P(X=1)= 4P(X=2 )= P(X=3) = 5P(X=4). F...

A: It is given that, 3P(X=1)= 4P(X=2 )= P(X=3) = 5P(X=4)

Q: A stockist has 20 items in a lot. Out of which 12 are non-defective and 8 are defective. A customer ...

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Q: The shelf life of a battery produced by one major company is known to be Normally distributed, with ...

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Q: buse stop process. A particular bus stop is services by 2 routes: route 1 arrives on average once an...

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Q: I. Identify whether each variable is a discrete or a continuous probability. 1. Number of tails when...

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

Q: 16. In a Poisson Distribution, the mean and variance are equal. a) True b) False

A: