A bag of balls contains 7 black balls and 5 white balls. We randomly draw 5 balls, so what is the probability that it includes 2 white balls? O O O • 0.342 . 0.442 .a .b .C .d

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: 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: 4- If X is an exponential with parameter 1, then 2X is chi-square with 2 degrees of freedom. O True…

A: Given statement is:  If X is an exponential with parameter 1, then 2X is chi-square with 2 degrees…

Q: Section of an oil field has been divided into 48 equal sub-areas. Counting the oil wells in the 48…

A: Given:Frequency distribution is given.Here we check that the the data is randomly distributed or…

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

A:

Q: 26. What is the interval notation for the following inequality? "x is greater than or equal to -3" O…

A: Correct notation for X≥-3

Q: (a) Identify the claim and state Ho and Ha Ho: P = 11.7 H₂H # 11.7 (Type integers or decimals. Do…

A: HERE  GIVEN ,  An oceanographer claims that the mean dive duration of a North Atlantic right whale…

Q: andson of a man from Harvard go andson of a man from Dartmouth

A: Given that, In the Dark Ages, Harvard, Dartmouth, and Yale admitted only male students. Assume that,…

Q: 2- Let the probability density function of the random variable X is = {²()* 0 f(x) = ,x= 1,2,3,... ,…

A: Given information:

Q: A quality control supervisor inspects a production of 30 computer chips, 5 of which are defective.…

A: Solution Given problem is hypergeometric distribution problem the hypergeometric distribution with…

Q: There are on average 20 old growth Sitka Spruce trees per acre in a local forest. Find the…

A: GivenOn average 20 old growth sitka spruce trees per acrefor 14 acre, 5 old growth sitka spruce…

Q: On a baseball team, there are infielders and outfielders. Some players are great hitters, and some…

A: Givenevents,I = the event that a player in an infielderO = the event that a player is an outfielderH…

Q: Number of circular permutations of different things taken all at a time is (n-1)!. a. True b. False…

A: Permutation is the measure that used to determine the arrangement of objects. There are different…

Q: average height of all male students in the school is less than 185 centimeter? Use 5% level of…

A: here given  sample size =  n   = 20  sample mean  = 180 cm  sample standard deviation = 10cm  here…

Q: Suppose that the transit time on a particular sub standard PNR is uniformly distributed between 48…

A: It is given that X~U(48, 85).

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A:

Q: A number cube with faces labeled 1 to 6 is rolled once. The number rolled will be recorded as the…

A: Given: A number cube with faces labeled 1 to 6 is rolled once. The number rolled will be recorded as…

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

A:

Q: What is the sum of the probabilities in any probability distribution? a) infinite O b) 1 (c) 2 d) o

A: We have to find correct option for sum of probabilities.

Q: Harper's Index reported that the number of (Orange County, California) convicted drunk drivers whose…

A: Given Information: Probability of a repeat offender is still p=1560 r is the number of repeat…

Q: Find the probability distribution of the random variable y, which represents the number of times…

A: Given, Y 1 2 3 f(y) 130 430 930

Q: An instructor wishes to determine which of two methods of teaching ---A or ---B is more effective in…

A: The z test is the type of parametric test. It used when the sample size is large and it also used…

Q: From a group of 50 students at a university (10 students per year) a coordinating committee of 4…

A: Answer : - Given,   a group of 50 students at a university (10 students per year).…

Q: It is claimed that the average life span of people in rural area is more than 64 years old with a…

A:

Q: s, find probability of E3

A: Here Given  For Rolling dies  No of Possible outcomes = 6 {1,2,3,4,5,6} Now  Basic Probability =No…

Q: f(x,y) x=0x=1 y=0 0.4 0.1 0.1 0.4 An error occurs when X Y. An 8-bit long message is sent over this…

A:

Q: The probability that there will be at most 2 men with high blood pressure is २ P(X < 2) = ≥ P(X=X) :…

A: 5.The provided information is n=6p=0.15P(X=x)=(Cxn)*px*(1-p)n-x…

Q: Banach space and T E B(X) an operator with 1+ ||T||

A: To prove, id+T=1+T

Q: Calculate the means and standard deviations of:37, 26, 19, 21, 19, 25, 17 a. 3; 7.141 O b. 3; 2.414…

A: Given the data set we have to find mean and standard deviation of the dats set.

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

A: Given that 2 balls are drawn randomly without replacement. There are 2 Red, 3 Green and 2 blue…

Q: Question 2 x 1 | | | | (a) PX = 2) (b) PX > −2) (c) P(−1 < X <1) (d) PX < -1 or _X = 2) 2

A: Given data is x -2 -1 0 1 2 f(x) 1/8 2/8 2/8 2/8 1/8

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: 13. A jar contains 5 red marbles, 3 green marbles, and 4 blue marbles. If a marble is drawn at…

A: Formula : Probability = number of favorable outcome/Total number of outcomes

Q: Traffic fatalities occur at the rate of 1.32 fatal accidents per 100 million miles. Find the…

A: GivenTraffic fatalities occur at the rate of 1.32 fatal accidents per 100 million milesλ=1.32…

Q: Let X represent a binomial random variable with n=400 and p=0.8. Use Excel's function options to…

A:

Q: A study on the correlation between sleep quality and academic performance of SHS students is done by…

A:

Q: discrete random variable X has the following probability distribution.  x 0 1 2 3 P(X=x) q 4p2 p…

A: The provided probability distribution is, x 0 1 2 3 P(X=x) q 4p2 p 0.7 - 4p2

Q: 6- The variance of the sum of the random variables equals the sum of the variances if the random…

A: HERE ,  take two random variable x  and y  here given two variable X and Y are uncorrelated

Q: A company has determined that 2 out of every 5255 bolts that it ordered is defective. What is the…

A: The number of defective bolts is 2 out of 5255 bolts.

Q: At a college, 33% of all students are taking a course in solar design, 48% are taking a course in…

A:

Q: 2- Two events A and B are such that P(A) = 0.5, P(B) = 0.3 and P(A|B) = 0.1. Then P(A|AUB) is

A: Here Given  P(A)=0.5 P(B)=0.3 P(A/B) = 0.1

Q: SHOW AND EXPLAIN ALL WORK 1.  The  table shows the results of a survey of students in two math…

A: Probability is the measure of statistical analysis. It used to understand the likelihood happening…

Q: 20. Which of the following is a counterexample for the conditional statement "All prime numbers are…

A: Prime number are 2,3,5,7,11,13,17,23,.. We will tell you which one is the correct choice.

Q: xample the joint density for the random variabes where X is the unit temperature change and is the…

A:

Q: Do college students enjoy playing sports more than watching sports? A researcher randomly selected…

A: From the provided information, Sample size (n) = 10 Level of significance (α) = 0.01

Q: The density function of a continuous random variable X is shown below. Find (a) the mode. (b) the…

A: Given  A density function,we need to determine mode,median and mean. Please find the below…

Q: There are 294 students in the senior class. Four of the students will be chosen to be the President,…

A: Given,Total no.of students=294

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

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

Q: The probability that none of the three bulbs in a set of traffic lights will have to be replaced…

A:

Q: Two events A and B are such that P(A) = 0.5, P(B) = 0.3 and P(A|B) = 0.1. Then P(A|AUB) is

A: Solution-: Given: P(A) =0.5, P(B)=0.3, P(A/B)=0.1 Then we determine P(A/A∪B)=15 is true or false