In how many ways can 4 persons be seated in consecutive seats in a row of 7 seats? a. b. 72 54 C. d. 96 69

Q: United Blood Services is a blood bank that serves more than 500 hospitals in 18 states. According to…

A: THe provided information is P(O)=0.43P(Rh-factor)=0.15P(O or Rh-factor)=0.52P(O or…

Q: A discrete random variable has probability distribution: x= 1, 2,3,4, 5 and P(x) =0.12,0.15, 0.23,…

A: Given information: E(x)=3 P(x) 0.12 0.15 0.23 0.3 0.2 x 1 2 3 4 5

Q: Let X~U (0,0), then P(X > X²) is

A: Given that X~U0,θ fx=1θ-0=1θ, 0≤X≤θ

Q: Six girls and five boys wish to join a ski trip. Four of them will be selected at random. What is…

A: Answer:-   Given 6 girls and 5 boys wish to join a ski trip                Total are = 6 + 5  = 11…

Q: What are the probabilities that it will rate the device (a) very poor, poor, fair, or good; (b)…

A: The Total probability = 1 Rate Probability Very Poor 0.07 Poor 0.12 Fair  0.17 Good 0.32…

Q: the number of combinations of 10 distinct objects taken six at a time = the number of combinations…

A: here use given statement and concept of combination

Q: If E denotes the expectation (random variable X is denoted the variance of a as (E(X))^2 - E(X False…

A: Given,E denotes the expectation .

Q: Q3/ The probability that a consumer will rate a new antipollution device for cars What are the…

A: Given: Rate Very poor Poor Fair Good Very Good Excellent Probability 0.07 0.12 0.17 0.32 0.21…

Q: A random variable, z, has p.d.f. f (z) = e¯², 0 =< Z < 1. Calculate the expected value of z. a. 1 b.…

A: A random variable, z, has p.d.f. f (z) = e², 0 &lt; Z &lt; 1.

Q: Drawing a blue marble? ?(P( Answer )=)= Answer Drawing a marble that is…

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

Q: Ship collisions in the Houston Ship Channel are rare. Suppose of collisions are Poisson distributed,…

A:

Q: 3) u) What do this know about bootstrap ?b) when do we use an example you method (explain…

A: a)  Bootstrapping is a statistical procedure that resamples a single dataset to produce…

Q: A laundry shop averages 5 customers per hour. Assume that the number of customers is a Poisson…

A: Given that Averages 5 customers per hour.  Using Poisson distribution A. What is the probability…

Q: Q1/ Grades in statistics class are weighted as follows: Tests are worth 50% of grade, homework is…

A: Here Given  Grades in statistics class are weighted as Tests are worth 50% of grade, homework is…

Q: Q)A urn contains 18 green and 7 white balls, the balls are removed at random without replacement.…

A: As Prof. N. G. Das said "If there are n mutually exclusive, exhaustive and equally likely outcomes…

Q: There are 3 arrangements of the word DAD, namely DAD, ADD, and DDA. How many arrangements are there…

A:

Q: ) Compute the upper and lower control limits if samples of size 6 are to be used. (R UCL = 134.85 x…

A: It is given that Mean = 127.5 SD = 0.4 And sample size n = 6

Q: STATISTICS AND PROBABILITY. No long explanation needed. Rate will be given! Multiple Choice In…

A: Solution

Q: Use the spinner below. 12 1 11 2 10 9 8 7 P(3 or 5) = Round answer 4 places after the decimal if…

A: To find: P( 3 or 5 ) = ?

Q: The probability that a component is faulty is 0.04. Two components are picked at random. Calculate…

A: From the provided information, Sample size (n) = 2 The probability that a component is faulty is (p)…

Q: It is known that 50% of adult workers have a high school diploma. If a random sample of 6 adult…

A:

Q: Calculate the means and standard deviations of:37, 26, 19, 21, 19, 25, 17 6.9 ;3 .a O 2.414 :3 .b…

A: Mean is the measure of central tendency. It is the most used measure and it greatly affected by th…

Q: 24/ The average on a statistics test was 78 with a standard deviation of 8. If the test scores are…

A: Given Mean=78 Standard deviation=8

Q: A milk display case at a grocery store is stocked with cartons of regular milk and soy milk, in both…

A:

Q: Outcome Frequency 1 6 QUIZ: Direction: Choose the letter of the correct answer. 2 2 (For items 1&2)…

A: Probability is the measure that determine the likelihood occurrence of an event. Event that involves…

Q: bility 0.2. Supposing that there are only sunny or rainy days, in the long run on what fraction of…

A: here given ,  On a Southern Pacific island, a sunny day is followed by another sunny day with…

Q: r A continous random variable x has p.d.f.,then f(x) >;0 a O It; f(x)==0 f(x) >==0 f(x) >=1 .b O .CO…

A: To find: A continous random variable x has p.d.f , then ?

Q: In a certain factory. Three machines produce pencils. For factory evaluation, samples were chosen…

A: The data indicates the number of pencils produced by three machines and the quality of the produced…

Q: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

A: Answer:- In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn…

Q: Find the entropy of the source producing the following messages: Px1 = 0.25, Px2 = 0.1, Px3 = 0.15,…

A: Decision tree used entropy for different sample size. It used to compute the similarity between the…

Q: 1 mL of a bacteriophage suspension is mixed with 20 mL of a bacterial culture and 50% of the phages…

A: Answer:

Q: Assume that the random variable X is normally distributed, with mean μ = 60 and standard deviation…

A:

Q: The number of air safety inspectors for selected years is shown in the table. Year 1996 1997 1998…

A:

Q: An examination consists of multiple-choice questions, each having five possible answers. Suppose you…

A: Let A be the event that you give the correct answer. Let B be the event that you know the answer.…

Q: let R be the random variable representing the number of red balls chosen. What is f(3)?

A: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

Q: The Philippine Red Cross says that about 11% of PH population has Type B blood. A blood drive is…

A:

Q: per time Q7] Suppose that in a production of spark plugs the fraction of defective plugs has been…

A: Given data  P(defective) = p = 0.02 so p(no defective ) = 1-0.02 = 0.98  Inspect two products.  We…

Q: Suppose a study of driving under influence and driving without seatbelt produced the following data:…

A: Given data is   Driving under influence in year 2021 Driving not under influence in year 2021…

Q: coin is tossed three times. What is the probability of tossing at least two heads? O b) / Od ²/ Od)…

A: toss coin three times  P(atleast two heads) = ? toss coin 3 times {HHH,HHT,HTH,HTT,TTT,TTH,THT,THH)…

Q: If X-N(7,4), the P(15.364 ≤ (x-7)² ≤ 20.095) is

A:

Q: A decision-making procedure to find out whether there is a significant difference between a claim…

A: Given statement is : A decision-making procedure to find out whether there is a significant…

Q: next problem with the production line diagnosed as being due to an initial repair that was…

A: Here use probability tree and Bayes rule

Q: You have a fair coin and you want to simulate an event that has probability 1/3, and another event…

A:

Q: If 4 Maths books are selected from 6 different Maths books and 3 English books are chosen from 5…

A: Solution  Given That,  If 4 Maths books are selected from 6 different Maths books and 3 English…

Q: an experiment where 2 balls are drawn successively at random without replacement from a box…

A: Given that  Box contains  Red balls = 2 Green balls = 3 Blue balls = 2 Total balls in box = 7 We…

Q: Question 6 Which sampling technique tends to have the largest sampling error? O All techniques have…

A: Option (e) is the correct answer

Q: Then P(X+Y<3) is

A: here given  joint probability distribution of x and y  f(x,y )= 18(6 - x - y)  ,  0&lt; x&lt;2  ,…

Q: Calculate the means and standard deviations of:37, 26, 19, 21, 19, 25, 17 6.9;3 .a 2.414;3 .b O…

A:

Q: Does 10K running time decrease when the runner listens to music? Nine runners were timed as they ran…

A:

Q: In a box containing 8 red balls, 8 green balls and 8 blue balls, how many color arrangements are…

A: Here given , there are total 24 balls in box  3 balls are chosen at random without Replacement…