Suppose a jar contains 15 red marbles and 26 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red. Answer should be in fractional form. Question Help: Video Message instructor

Q: (a) Find the probability that the person chosen is male given he is employed. (b) That the person is…

A: here given table          Employed   Unemployed        TotalMale     460             40…

Q: Q5//Four technicians regularly make repairs when breakdowns occur on an automated production line.…

A:

Q: If 5 cards were picked at random from a deck of 52 cards, find P(Exactly 2 are hearts)?

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Q: 00 (Note: Express your answers as decimal fractions rounded to 4 decimal places (if they have more…

A: Given: The given matrix is as follows, P=0.40.10.50.30.70⊥00

Q: Suppose that the probability that iraqi man has a high blood pressure is 0.15. If we randomly select…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

Q: 4. (填空题, 2.0分) Give the sample space of rolling a six-sided die_

A: We have given the following statement about the dice.   A Set of all possible  outcomes  as the…

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

A: Here given there are total 6 toppings are available  Here use combination

Q: Solve the following problem step by step please A newspaper does a survey of reading preferences…

A: 330=150(survey)+120(read electronic)+50(Physical)+10(do not read any format)

Q: A sample of 5 pipes is selected from the 30 pipes without replacement. Determine the probability…

A: here given  there are total 30 concrete pipes of them 8 defective and 12 are non defective  here it…

Q: a random variable has probability distribution: x= 0,1,2,3,4,5,6,7 and P(x) =0,k,2k,2k,3k,k*k,2k*k,…

A: Given Information: x 0 1 2 3 4 5 6 7 P(x) 0 k 2k 2k 3k k2 2k2 7k(k+1) Required: To find the…

Q: One drawer in a dresser contains 8 blue socks and 6 white socks. A second drawer contains 4 blue…

A: In first drawer:no.of blue socks=8no.of white socks=6Total no.of socks=14In 2nd drawer:no.of blue…

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: 1. A manufacturing plant consists of four machines, independently operating, to produce a certain…

A: Given:The data is given.

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

A: In above question we will talk about it is true or not for probability density function(pdf)

Q: (1) Find the two-step transition matrix P(2)= (2) Find the three-step transition matrix ⠀⠀⠀ P(3) =…

A:

Q: A bowl contains twelve batteries of which four are new, five are used (working) and three are…

A: GivenX denote number of new batteries chosen Y denote number of used batteries chosen Total number…

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 < 400 200 400≤L<600 230 600≤L<800 931…

Q: 1. In an experiment where 2 balls are drawn successively at random without replacement from a box…

A: To find: The probability that none is red balls

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

A: GivenNo.of toppings(n)=6No.of toppings could be ordered(r)=3

Q: a. What is the probability that exactly 10 are from their elementary school? b. What is the…

A: here given  p  = probability that high school student come from their Elementary school  = 0.80 n =…

Q: 0.10, and 0.20, respectively, what is the probability that the system functions?

A: here given ,  p(A') = probability of A fail =  0.10 , so p(A) = 1- p(A') = 1 - 0.10 = 0.9  p(B') =…

Q: determine the 95% confidence interval or range in an observed score of 86 if SD is 5.8 and the…

A: 95% Confidence interval is 79.4934 and 92.5066 Explanation: Data given, r=0.82 X=86 SD=5.8 Standard…

Q: A scheme of random number generator is described as follows. First, one generates a normal random…

A:

Q: A sample mean, sample size, and population standard deviation are given. Use the one-mean z-test to…

A: From the provided information, Sample size (n) = 15 Sample mean (x̄) = 259 Population standard…

Q: Suppose that a random variable X has a continuous distribution with the probability density function…

A: Answer:-  Given X has a continuous distribution with the probability density function…

Q: 7. (简答题 6.0分) Suppose that 75% of people in a certain metropolitan area live in the city and 25% of…

A:

Q: Attempt only if you can solve all parts I'll upvote your answer, otherwise I'll downvote Suppose…

A:

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: hat is the probability that their third daughter is their sixth child?

A: here given , a couple decides to have children until they have three daughters  Probability of male…

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

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: Q6/ Find the probabilities that a random variable having the standard normal distribution will take…

A:

Q: Is the number of games won by a major league baseball team in a season related to the team batting…

A: The following information has been given: x (Games won) y (Batting Average) 83 264 117 261…

Q: probability that the committee is made up of only students of the same sex?

A: In a class there are 10 girls and 8 boys, a committee is formed with a president, a secretary and a…

Q: Primary and secondary routes connecting two computers need to be chosen. Two primary routes are…

A: The routes are primary and secondary.

Q: If (xoy). X 2 4 · 10.10 3 0.15 0.20 0.30 5 0·10 0·15 d. Determine the cumulative distribution…

A: Given data is  f(x,y) x 2 4 Total y 1 0.10 0.15 0.25 3 0.20 0.30 0.50 5 0.10 0.15 0.25…

Q: a. Determine the expected value of X. b. Determine the expected value of Y. c. Determine the…

A: As per bartlby guidelines we can answer only first three subpart and rest can be reposted

Q: Based on previous weather records, the probability that the city of Calgary will have a "White…

A: Given: Probability that the city will have a White Christmas on Dec 25th is 25=0.4

Q: in how many ways can a hand of 5 cards be dealt such that 2 are black and 3 red cards?

A: here given ,  there are 52 cards in deck  there are 26 red and 26 black cards in decks

Q: 70% of your friends like Chocolate, and 35% like Chocolate AND like Strawberry. What percent of…

A: The provided information is  P(Chocolate and Strawberry)=0.35 P(Chocolate)=0.70   We have to find…

Q: The number of kilograms of bananas sold by a certain fruit vendor over a year follows a Poisson…

A: GivenAn average 52 kg of bananas per day λ=52

Q: A fair coin (P(heads) = 0.5) is flipped 6 times. What is the probability of flipping fewer than 3…

A:

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: (a) Consider the 48-ball lottery game described above. In how many different ways can you select a…

A: Fundamental Principle of Counting In basic counting, the product guideline is the most important…

Q: Use the calculator displays to the right to make a decision to reject or fail to reject the null…

A: From the provided information, Sample size (n) = 45 Sample mean (x̄) = 59.25 Population standard…

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

A:

Q: tribution of lifetimes of fluorescent lightbulbs. Calculate the shaded area under the curve. Express…

A: Given: Population mean time  μ=5.6 Population standard deviation  σ=1.50000 Let X ~ N(5.6, 1.50)

Q: Two cards will be drawn one after the other from a standard deck of card. Event A represent a heart…

A: Given that two cards will be drawn one after the other from a standard deck of card. Event A…

Q: A distribution of values is normal with a mean of 90 and a standard deviation of 5. Find the…

A: The provided information is  µ=90 σ=5 P(-a<X<a)=0.02…

Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe…

A: The following information has been given: The population standard deviation is σ=76.5. The margin of…

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support…

A: Given : Margin of error: ME = 0.02