2. Given a random variable X which satisfies X~ N(μ, 0²). When o increases, the probability P{\x-μ|

Q: A college is going to administer an assessment test to incoming freshman. Co be administered over…

A: Note : Both questions are different questions. As per answering guidelines I have to answer only one…

Q: (a) If the absolute measurement error within 0.5 millimeters is acceptable, what is the probability…

A: here given ,  A test instrument needs to be calibrated periodically to prevent measurement errors.…

Q: X 2 4 If (x₁y) 2 f(x,y). · 10.10 3 0.15 5 0·10 0.20 0.30 0·15 a. Determine the marginal distribution…

A: f(x,y)       2        4        Total      1        0.10       0.15 0.25  Y= 3…

Q: The table shows a random sample of musicians and how they learned to play their instruments. Gender…

A: P(musician is a female AND had private instructor)

Q: Which is the expectation for a binomial distribution? O a) 3/ о b) np

A: Given problem is :

Q: According to CBS Money Watch, the average monthly household cellu phone bill is $100. Suppose…

A: It is given that the mean is 100 and the standard deviation is 11.35.

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

A: Answer:-  GIVEN  In a box containing 8 red balls, 8 green balls and 8 blue balls              where…

Q: Records indicate that, in Australia, 65% of secondary students participate in sport, and 71% of…

A: The following information has been given: Let A denotes the secondary students  who participate in…

Q: The average number of cycles of charging of rechargeable batteries manufactures in a certain factory…

A: Given that mean = 485 Standard deviation = 32 P ( 450 < x < 550 ) = ?

Q: The scatter plot shows the number of hours worked, x, and the amount of money spent on…

A: The scatterplot shows the number of hours worked, x, and the amount of money spent on entertainment,…

Q: 1. At the horse races, the chances of a horse winning is expressed as odds against. In the first…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: In a lot of 50 light bulbs, there are 2 bad bulbs. An inspector examines 5 bulbs, which are selected…

A:

Q: b) If we have the following mass function: f(x) = x/6, x = 1, 2, 3: Find 1. V(x) 2. V(4x) 3. V(3+4x)…

A: According to our guidelines, we can answer only 3 sub-parts. So, please repost the rest parts.

Q: An airline company is considering a new policy of booking as many as 218 persons on an airplane that…

A: Given n=218 P=0.90

Q: A set of measurements {x₁, x₂, x3,...,x,} has a mean of and a standard deviation of s. What are the…

A:

Q: probability that there will 10 log-ons over a 48 minute period? What is the probability that at…

A: here given , in large corporate  computer network ,  there are an average of 27 log-ons per hour  λ…

Q: The means of 6, 6, 6, 6, 6, 6 is 6?

A: NOTE-AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY  here mean  = ∑xn

Q: The probability that there is no accident at a certain busy intersection is 95% on any given day,…

A: Given: Probability  of no accidents (p) = 0.95   a) Number of days (n) = 7 Let X be binomial…

Q: I f(x,y) 2 4 1 0.10 0.15 y 3 0.20 0.30 5 0.10 0.15 a. Determine the marginal distribution g(x), x =…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: 10 10 (96), (9)(3) + 18 18 (3⁹) (15) 3 = 0.215686 ans

A: Given that

Q: Determine the number of outcomes in the event. Decide whether the event is a simple event or not.…

A: given;we have a standard deck of playing cards. total number of playing cards in a standard deck=…

Q: 4. In one of the biggest schools in Metro Manila, 80% of their high school students are known to…

A:

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

A:

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: To find: How many combination of exactly 3 toppings could be ordered

Q: The standard deviation A) All of these are correct. B) cannot be negative. C) is based on squared…

A:

Q: What is the expected outcome in a fair game?

A: here use basic of expected value  expected value  = ∑xp(x)

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: Given the following: Number of births between 30 June 2009 and 30 June 2010 in Australia was…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: nounces). 65.8, 66.3, 68.3, 65, 64.9, 66, 64.4, 62.8, 66.2, 65.6 = 0.01 significance level to test…

A: Given 65.8, 66.3, 68.3, 65, 64.9, 66, 64.4, 62.8, 66.2, 65.6

Q: Brad has to select 5 students from a class of 43 girls and 21 boys. What is the probability that…

A: GivenNo.of girls in a class = 43No.of boys in a class = 21Total no. of boys = 64

Q: A continous random variable x has p.d.f.,then a. f(x)>=1 b. f(x)>==0 C. d. f(x) >:0 0=<lt; f(x)=<1

A: It is given that f(x) is a probability density function (pdf) of a random variable X.

Q: 34. A college offers tutoring in Math, English, and Chemistry. The number of students enrolled in…

A:

Q: A) If the average number of rodents in a cotton farm with an area of 20 acres is 2 per acres,…

A: As per guideline I have calculated 1st main question  Here given,  If the average number of rodents…

Q: 2. Suppose that a password for a computer system must have at least 8, but no more than 12,…

A: As Dr. S. N. De said "A permutation of a set is defined as an arrangement of its members into a…

Q: Which of the following is an example of dependent events? a) rolling a die and flipping a coin Ob)…

A: Dependent events are those events in which the occurrence of one event affects the occurrence of…

Q: he lifespan (L) of each of 2000 valves is measured and given Calculate the probability that the…

A: Given Information: Lifespan (hours) Number L &lt; 400 200 400≤L&lt;600 230 600≤L&lt;800 931…

Q: There is a school with 500 people. One grade has 63 people: 45 Albanians and 30 Americans, some of…

A: Venn diagram is used to determine the different group of data set. It shows relationship among…

Q: The ages of the population of 2,000 women are normally distributed with a mean of 35 years and…

A: Answer:- Given, the age of the population of n  = 2000 women are normally distributed…

Q: The spinner below is spun twice. If the spinner lands on a border, that spin does not count and spin…

A: 1 cyan 2 blue 3 red _________ 6 total sectors

Q: Four fair eight-sided dice are rolled. An outcome is an ordered sequence of 4 numbers between 1 and…

A:

Q: The probability of finding a significant result if the hypothesis is true is called statistical…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Q9] Of a lot of 10 items, 2 are defective. (a) Find the number of different samples of 4. Find the…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: In how many ways can we select 6 people out of 12, ?of which a particular person is not included…

A: GivenNo.of people(n)=12No.of people to be selected(r)=6

Q: The combination to a lock consists of a sequence of three numbers in the range 0-28. a) How many…

A: Solution Given That, The combination to a lock consists of a sequence of three numbers in the range…

Q: What would be the probability of an event 'G' if H denotes its complement, according to the axioms…

A: We have to choose the probability of an event G if H denotes it's complement, according to the…

Q: e Determine the standard deviation of X f. Determine the standard deviation of Y 9. Determine the…

A:

Q: Cost of Pizzas A pizza shop owner wishes to find the 99% confidence interval of the true mean cost…

A:

Q: One calculates if the average number of Voodents of a cotton Farm is to da nams, it is Particular…

A: From the provided information, x f (x) -1 c 3 0.15 4 0.45