Ex 11: Suppose the random variable X has a geometric distribution with a mean of 2.5. Determine the following probabilities: a/P(X=1) b/ P(X ≤3) c/ P(2< X <5)

Q: There were 254.8 per 100,000 per year Myocardial deaths in the aspirin group compared with 439.7 per…

A: Given:Aspirin group myocadial deaths per 100,000 year =254.8Placebo group myocadial deaths per…

Q: If a person randomly picks and buys one of the four newsletters in the street each morning. What is…

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Q: If x is a r.v. with c.d.f. F(x), F(x) is continuous at x = 10, then P(X= 10) = 0. True False

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Q: Giving a test to a group of students, the grades and gender are summarized below   A B C Total…

A: Obtain the probability that the student was female. The probability that the student was female is…

Q: Parking your car at MIT is expensive, so expensive that you decide that it must be cheaper to keep…

A: GivenThe probability that Cambridge meter maid will notice illegally parked car =0.25The probability…

Q: In a color preference experiment, eight toys are placed in a container. The toys are identical…

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Q: Compute for the total frequency X 0< x < 2 2<2<4 4<x<8 8<x< 10 frequency 9 21 f

A: Class limits are the two endpoints of a class interval used for tally marking the given values.…

Q: 10 The volume of milk in a 1 litre carton is normally distributed with a mean of 1.01 litres and…

A: It is given that  Mean, μ = 1.01 Standard deviation, σ = 0.005 Z-Score, z = ( X - μ )/σ   Note:…

Q: Consider you are in a game of chess. You are black so your opponent is first to move. If all…

A: If there are n mutually exclusive, exhaustive and equally likely outcomes of a random experiment and…

Q: he numbers of state parks found in selected states in three different regions of the country are…

A: Anova is a type of parametric test. It used to determine the mean significance between the three or…

Q: We test medicine on 6 patients. For all drug doesn't work. If the drug success rate of 20%, what is…

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Q: At a factory that produces pistons for cars, Machine 1 produced 357 satisfactory pistons and 343…

A: Machine 1 produced 357 satisfactory pistons and 343 unsatisfactory pistons  Machine 2 produced 414…

Q: 49 a. P(x 4) c. P(3<x<7) 0.1- d. P(5<x<8) Verify that the function is a valid probability density…

A: According to our guidelines, we can answer only three sub parts. So please repost the rest parts.

Q: The moment generating function M (t) for random variables y are as follow. Examine and identify the…

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Q: Column A 1. Find the Probability of rolling a fair die having a composite number. 2. When you roll a…

A: HERE WE WILL USE BASIC PROBAB;IY CONCEPT  PROBABILITY =NO OF FAVOURABLE OUTCOMETOTAL NO OF OUTCOME

Q: Determine the probability that the rolled dice will result to a a multiple of 3 or a square number

A: The all-possible outcomes of rolling a fair die are 1, 2, 3, 4, 5, and 6.

Q: The heights (in inches) of eight tomato plants are: 36, 45, 52, 40, 38, 41, 50, 48. What is the mode…

A: Given n=8

Q: 4. If 1! is equal to 1, then 0! is equal to A. 0 C. 2 B. 1 D. 3 7! 5. Simplify (7-3)! A. 190 C. 210…

A: For the given Select the correct choice ?

Q: Which of these describes the population parameter? O A. X = 157 OB. X= 165 OC. μ = 165 OD. U = 157

A: It is given that  Population mean = 157 Population standard deviation = 25 Sample mean = 165 Sample…

Q: 1. Draw a Venn diagram for the given events. 2. If the oil had to be changed, what is the…

A: Let us define some events A : the engine will require an oil change. B : it requires a new oil…

Q: ourciany 1. It refers to a collection of objects from a set where order or arrangement of the chosen…

A: Since we only do up to three sub parts of a problem, we'll be doing the first three sub parts only.…

Q: In a class of 6 girls and 5 boys, what is the probability of having girls and boys seated…

A: The provided information is  6 Girls 5 Boys  The arrangement is Girls on first seat and girls on the…

Q: A box has (4) balls. Choose (2) balls one by one with replacement, x is the first chosen and Y is…

A: Given information: No. of balls=4Selection=with replacementNo. of balls to be selected=2

Q: A random variable Z is normally distributed with mean and variance are 0 and 1 respectively.…

A: Here, mean is 0 and variance is 1. We will use z standard normal distribution.

Q: then E(y) and V(y) are

A: here given , y =  5x-1  E(x) = 2,  v(x) = 1

Q: A local country club has a membership of 600 and operates facilities that include an 18-hole…

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Q: A doctor believer simple random sample of significance level of a Day Sunday Frequency 65

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Q: Q4: Let X be a discrete random variable with probability mass function given in the following table:…

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Q: When designing equipment, one common criterion is to use a design that accommodates 95% of the…

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Q: Q10. The probability model for a random variable A is [% , a=-1 P₁(a)=% a=1 0, otherwise The…

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Q: Choose a sample of 4 cards from 6 white(w) and 10 black(b) cards one by one without replacement. The…

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Q: questions pls i BEG.

A: The normal distribution with mean and standard deviation μ and σ respectively into a particular…

Q: The table summarizes results from 980 pedestrian deaths that were caused by automobile accidents.…

A: Given data:   Pedestrian Intoxicated   Driver Intoxicated Yes No Total Yes 56 84 140 No 215…

Q: A researcher hypothesized that an increase in stress at work was caused by an increase in…

A: Option (d) is the correct answer.

Q: ABC Co. is considering a new consumer product. They believe there is a probability of 0.3 that XYZ…

A: Solution: From the given information, there is a probability of 0.3 that XYZ Co. will come out with…

Q: The amount of nicotine content in a certain brand of cigarettes is on average equal to 0.941 g with…

A: Given that.   X~N( μ , ?^2 )   μ=0.941    , ?=0.313   , n=61   Z-score =( x - μ )/?

Q: Question-4 a. 100 glass bottles coming off a production line. Out of 100 there are 20 glass bottles…

A: Let p be the probability bottle have serious flaws in glass  n be the number randomly selected…

Q: fx(x) = 0≤x 10 a. Sketch fx(x) b. Show that fx (x) is legitimate c. What is the probbility that…

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Q: 13. A child rolls a die until a 6 shows. This represents a a. Uniform b. Binomial c. Geometric d.…

A: In the given problem we have to indentify probability distributions.

Q: probability of having a plate number ending with 99?

A: here given ,  plate number for cars composed by 4 letters and then followed by 2 numbers  there are…

Q: opose that at each birth, having a girl is not as likely as having a boy. The probability…

A: Given that  Probability distribution.  X 0 1 2 3 P(x) 0.10 0.35 0.37 0.18

Q: 5. Mel's score in a 75-item test was the medial a. 35th b. 50th 6. The median score is also the a.…

A: Descriptive statistics are useful for comparing scores, and determining relative position.

Q: (d) What is the probability distribution of the time (in days) till your car is towed a seventh…

A: As per my knowledge This question is solved using the negative binomial distribution.

Q: A test was given to a group of students. The grades and gender are summarized below   A B C Total…

A: Given data is   A B C Total Male 7 5 8 20 Female 16 19 10 45 Total 23 24 18 65

Q: a. A fleet of sixteen taxis is to be dispatched to three airports in such a way that three go to…

A: here AS PER GUIDELINES I HAVE CALCULATED FIRST MAIN QUESTION , AS YOU POSTED A AND B TOTALLY…

Q: Determine the probability that the rolled dice will result to a a multiple of 3 or a square number?

A: The outcomes of rolling a die are 1, 2, 3, 4, 5, and 6.

Q: 5. Every single card is used to represent each letter of the English alphabet, which is then placed…

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Q: In 1994, the moose population in a park was measured to be 4420. By 1996, the population was…

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Q: How many different ways can a race with 6 runners be completed? (Assume there is no tie.) Your…

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Q: What is probability of getting blue candy? 2. What is the probability of getting red candy? 3. What…

A: here,  there are total 42 candy  total 14 blue candy , 6 yellow candy  , 4 orange candy  , 10 purple…