Q1/ 100 college students were surveyed and asked how many hours a week the spent studying the results are in the table below. Male Less than 5 5 to 10 More than 10 total 11 Female 13 total 24 22 24 16 14 30 51 100 Find the probability that a student spent between 5 and 10 hr. or more than 10 hr.

Q: 12. From each penalty Christiano Ronaldo takes, he has a 95% chance of scoring. What is the…

A: As per bartleby guidelines we can solve only first question and rest can be reposted

Q: 6. (a) What is the probability that maximum speed is at most 49 km/h? (Round your answer to four…

A: Given: Let x be the maximum speed of moped from normal distribution with mean 46.7 and standard…

Q: Based on the results of the previous experiments, Doug estimates that he will have a 70% chance of…

A: First we will define each term  Relative frequency probability or the empirical probability, of an…

Q: Determine P(T < 0.75) Evaluate the E(3T - 4) Find the Variance of T. Find the mean of T. Evaluate E…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted....…

Q: 11) A discrete random variable X has negative binomial distribution, with 6 successes required each…

A: given data,discreate random variablex has negative binomical distribution .r = no of success r = 6…

Q: First Calculator F- faulty NF = not faulty F NF Second Calculator P q F NF (d) The whole batch of…

A: Probability tree diagram is a way to represent the likelihood of a event occurring, without any…

Q: The average retail price of gasoline (alltypes) for the first half of 2005 was 212.2 cents. What…

A: sorry sir, i can gives 2 question at time  by bartleby policy i can gives only 1 answer at a time

Q: (c) Give a word description of the event { X #0 and Y #0}. At most one hose is in use at both…

A: The marginal PMF  of X is defined as PX(x)=∑yyP(x,y). Similarly, the PMF of Y is given by…

Q: The ungrouped data below shows the different temperatures measured during an experiment. Construct a…

A: Given information: N=30…

Q: The probability density function of Y = 5x + 3 is: (a) y-1 60 (b) 2y-1 300 (c) y²-y-6 200 (d)…

A: It is given that X be a continuous random variable with pdf f(x) = { (x/6)+1/12,    0≤x≤3…

Q: a. A coin was flipped three times. Let T be the number of tails that occur. T P(T) 3 2 1 0

A: As per bartleby guidelines we can solve only first question and rest can be reposted

Q: The third postulate of probability is sometimes referred to as the special addi- tion rule; it is…

A:

Q: (9) If X is a continuous random variable with p.d. f. f(x) = 6 +12,0 ≤x≤3 ,othewise The probability…

A: X is continuous random variable with pdf, fx = x6+112,0≤x≤30,otherwise Y = 5X+3 = g(X) Now, Domain…

Q: Let X and Y have the joint p. d. f. f(x,y) = (2x for 0<x< 1;0<y<1 otherwise Then P(X + Y ≤ 1x ≤) is:

A:

Q: An article reported that 7 in 10 auto accidents involve a single vehicle (the article recommended…

A: Since part (a) and (b) you have already solved hence i am solving remaining parts Here we have to…

Q: An airport limousine can accommodate up to four passengers on any one trip. The company will accept…

A: Given that, An airport limousine can accommodate up to four passengers on any one trip. The company…

Q: (a) Among the next 100 customers, what are the mean and variance of the number who pay with a debit…

A: Given: Probability of selecting credit card =P(A)=0.3Probability of selecting debit card…

Q: What is the probability of a standard dice roll being even or prime? 5/6 O 7/6 1/6 1/2

A: Given that  A standard dice is rolled  Sample space = S = ( 1 , 2 , 3 , 4 , 5 , 6 ) Even or prime =…

Q: 6. A certain company is ordering small parts shipped in large bins from two different suppliers:…

A: Given information: Pdefective|A=2.5%=0.025Pdefective|B=5%=0.05PA=3PBFrom the…

Q: Letters of the word BOEREWORS are randomly rearranged to form 9 letter words. What is the…

A: Note: As per guidelines we will solve the first question only, please repost other questions for…

Q: Assigning Probabilities A die is weighted so that a sixcannot appear. All the other faces occur with…

A: It is given that In rolling a die, P(6) = 0, Let p be the probability of occuring each face except…

Q: A box in a certain supply room contains seven 40-W lightbulbs, six 60-W bulbs, and five 75-W bulbs.…

A:

Q: ANSWER D AND FOR SAMPLE

A: Given that  Probability mass function of X  x 1 2 4 8 16 p(x) 0.05 0.15 0.25 0.35 0.20

Q: Each year Money magazine publishes a list of "Best Places to Live in the United States." These…

A: Data is given First we will arrange data Than we will calculate first and third quartile And iqr…

Q: Using standard normal table, find the following probability. P(Z > 1.01) = ? (Round to 5 decimals)

A:

Q: This type of bias occurs when the processing of data gathered is based on a preconceived notion or…

A: Concept:Bias is the systematic error introduced in sampling.Bias can occur at any stage like in data…

Q: Each front tire on a particular type of vehicle is supposed to be filled to a pressure of 26 psi.…

A: As per our guidelines we are supposed to answer only 3 sub-parts of any questions so i am solving…

Q: ordinary deck. Find the probability that the second is not a face card, given that the first is a…

A: here given  two cards are selected from ordinary deck of cards ,without replacement. there are total…

Q: A machine produces screws with a mean length of 2.5 cm and a standard deviation of 0.2 cm. Find the…

A: Given: Meanμ=2.5standard deviation(σ)=0.2

Q: (6) The probability density function of the random variable X whose moment generating function () (1…

A: Given Moment generating function=Mx(t)=1/2(1+et)

Q: 2. In a game, you have to roll a six-sided die and flip a coin. What is the probability of getting a…

A: Given Dice is thrown and also coin throw

Q: (d) Compute the marginal pmf of X. 0 Px(x) Compute the marginal pmf of Y. y Py(y) 0 1 1 Using px(x),…

A:

Q: (b) Determine the probability that X exceeds its mean value by more than 1 standard deviation.…

A: From given data we have : Sample size N=12 Population n=8 success size k =9

Q: Air pollutants common in U.S. cities include fine particulate matter (PM) and ozone (O3). PM is…

A: Given Information: 20% of the time cities in a particular region exceed PM2.5 standards. 10% of the…

Q: (4) If a point x is taken at random on the interval [0, 2a] and all the points are equally likely to…

A: the selection of a point in the closed interval [0,2a] is a uniform random variable X.

Q: For a binomial distribution with p = .25 and n = 48, what is the z-score corresponding to X = 15?…

A: Given that  n = 48 , p = 0.48 , at X = 15

Q: please also answer the remaining questions

A: Given that  Z has standard normal distribution  Note: According to bartleby experts question answers…

Q: (8) A company produces X bulbs per day. If E(X)= 1000 and var (X) = 100, then P(900 < X < 1100) is…

A: Given information: EX=1000VarX=100

Q: Mopeds (small motorcycles with an engine capacity below 50 cm") are very popular in Europe because…

A: Given that μ=46.6,σ=1.75 Find all the required probabilities

Q: discuss risk measurement for investments. Block and Hirt present an investment with the possible…

A: The Expected value given as follows:  μ = ∑ x * p(x)      = (300)(0.2) + (600)(0.6) + (900)(0.2)…

Q: 3. Suppose you have an urn containing 7 red and 3 blue balls. You draw three balls at random. On…

A: 7 red balls 3 blue balls.  _______________ 10 total balls   event :  R1: red on first trial B1: blue…

Q: Imagine an animal that shows two variants; one long-legged and one short-legged. Each female…

A: Given  Each female produces 2 female offspring per generation and then dies. The offspring of the…

Q: The population of children under 5 years in Whitefish, Montana on July 1 2015 was 2,350 with no…

A:

Q: a. Find the probability that x² > 15. 0.75 b. Calculate the expected value ex of X 4.65 c. Calculate…

A: We have to find R code for given problem :

Q: a. Use the empirical rule to describe the distribution of heights for males. Approximately 68% of…

A: Part b. Question is not given

Q: (a) Determine c. (b) What is P({k}) now that you have determined c? (c) Compute P({k + 1, k +…

A:

Q: 4) The diameters of cruder mats Produced are N (12cm, 1.5²). It is known that exactly 16 % of the…

A:

Q: (3) The random variable X has the following density function: (k-x,0<x<k 10 , otherwise The second…

A: For the given density function Find the second non central moment

Q: The mean weight of 15-year-old males is 142 pounds, and the standard deviation is 12.3 pounds. Find…

A: 1) We have given that Mean(µ) = 142Standard deviations (σ) = 12.3X ~ N (µ, σ )= N(142 ,12.3)

Q: 3- If f(x) = is the probability density function for a random variable that can take on the values x…

A: Given that  Probability mass function of X is  f(x) = k / 2x  , x = 0 , 1 , 2 , 3 , 4