Consider an experiment of rolling a fair dice. The probability that both dice show a 4 is Select one: a. 1/2 • b. 1/36 с. 1/4 С. d. 1/12

Q: Find the variance and standard deviation of the probability distribution of a random variable X…

A: Ans#  Given a random variable x has the probability distribution           P(2) = 920,  P(4) = 120,…

Q: If the population proportion is 0.90 and a sample of size 64 is taken, which is closest to the…

A: Given: Population proportion (P)=0.90 Sample size (n)=64

Q: swers to four decimal places.) A USE SALT at is the probability that a randomly selected capsule…

A: The formula for Z score is, Z=X-μσμ is the population mean and σ is the population standard…

Q: Suppose, a researcher wants to conduct a study to determine whether drinking alcoholic beverages has…

A: No. of alcoholics drinks Ulcer No Ulcer Total None A=32 21 B=53 one-two 41 C=37 78 more than…

Q: In a one pound bag of skittles the possible colors were red green yellow orange and purple the…

A: The number of possible colors in a bag is 5. they are  Red, Green, Yellow, Orange, Purple The…

Q: Giving a test to a group of students, the grades and gender are summarized below A В C Total Male 15…

A: The union probability for any two events A and B is defined as P(A or B) = P(A)  + P(B) – P(A and…

Q: . What is the approximate probability of throwing between 47 and 53 heads in 100 tosses of unbiased…

A:

Q: The random variable X represents the number of cars per family in a town, with the following…

A: Given data,   P(2≤X≤4)=?

Q: Giving a test to a group of students, the grades and gender are summarized below А B C Total Male|…

A: Required probability is P(male OR got an "B")

Q: Define the indicator variable IA of a random event A, and show that E(IA) = P(A).

A: We have to define the indicator variable IA of a random event A, and also to show that EIA=PA.

Q: After giving a test to a group of students, below is the summary of grades by gender. A B Total Male…

A:

Q: Dr. x was interested in studying the hand-washing habits of York KINE students, so they sampled 100…

A: Given that  Sample size n =100 Population mean μ =125 SEM=3

Q: Suppose that the random variable z, shown below, represents the number times. P(z) represents the…

A: From the provided information, x P (x) 0 0.2686 1 0.264 2 0.2633 3…

Q: Based on the probability distribution presented below, it would appear that Sample C has the least…

A:

Q: In an experiment of rolling a fair dice ,6-times find the probability to have at least * :one even…

A:

Q: Total Male 6. 7. 4 17 Female 17 2 10 29 Total 23 14 46 If one student is chosen at random from those…

A: The given table is in the form of 2×3 table. The variable is students. The students are male and…

Q: The random variable X, representing the number of cherries in a cherry puff, has the following…

A: Random variable X: the number of cherries in a cherry puff probability distribution of X; x 4 5 6…

Q: Since x is a Binomial random variable with a mean of 1.8 and a probability of success of 0.6, what…

A:

Q: The probability of rolling a 2 or a 6 with a six-sided dice is 1/3. What is the probability of…

A: Consider X be the random variable representing number of times 2 or a 6 is rolled in 20 trials.    X…

Q: Degree of Injuny Seurity Measures no precaution Seat belt only (s) seat bolt and air bag (2) sturdy…

A: Dear student, We are allowed to solved first 3 parts only, Ask the remaining parts separately

Q: Which of the following experiment outcome is said to be TRUE? a. The probability of Head occurring…

A: We have to find out correct answer for given data..

Q: A probability experiment is conducted. Which of these cannot be considered a probability outcome? O…

A: Since we know that probability should lie between 0 and 1

Q: d) An ELT is randomly selected and tested. If the test indicates that the ELT is defective, find the…

A: Let us define some events A : an ELT is manufactured by Altigauge company. B : an ELT is…

Q: weight of 810 pounds or more? Which of the following connects the probability of the random variable…

A:

Q: For a random variable with the given probability distribution. 3 4. fox) 0.41 0.37 0.16 0.05 0.01…

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

Q: If two dice are rolled one time, find the probability of getting a sum of greater than 5. O A.…

A: The outcomes after rolling 2 dice one at a time. 1,1) (1,2) (1,3) (1,4) (1,5) (1,6) (2,1) (2,2)…

Q: Answer the Following Question Probability of rolling a 2 when a dice is tossed.

A:

Q: A die is loaded, and it was determined that the probability distribution associated with the…

A: (a)Probability of the number being even = sum of the probabilities of all even sample events.P(2)…

Q: It is known that the defect rate of an iPhone 3%. What is the probability that a batch of 100…

A: Has to find P( no defective ) = ? what is A intersection S

Q: Let the random variable X represent the number of cars that are used for official business purposes…

A: Consider, μA=∑xPA(x)     =(1*0.3)+(2*0.4)+(3*0.3)     =2 σA=∑x2PA(x)-∑xPA(x)2…

Q: a. Given a random sample of 70 resistors, what is the probability that its mean is between 218 N and…

A: HERE GIVEN, mean = 220 standard deviation = 11   here use central limit theorem

Q: A bag of M&M's has 6 red, 4 green, 7 blue, and 2 yellow M&Ms. What is the probability of randomly…

A: Total number of M&M 's in a bag is:

Q: 3. 0.03 of the goods produced in a factory are defective. When a 25 unit sample is drawn for…

A: P(defective)=0.03=P q=1-P=0.97 n=25 x= no. of defective goods, p(x=X)=nc x px qn-x    - binomial…

Q: If the population proportion is 0.90 and a sample of size 64 is taken, which is closest to the…

A:

Q: The table below is an example of probability distribution of a discreet random variable. * 1 3 5…

A:

Q: Answer the Following Question Probability of rolling a 11 or 12 when given two dice.

A:

Q: Consider the random experiment of selecting 5 balls from a box containing 60 Green and 40 white…

A:

Q: The proportion of vehicles which drive above the speed limit on a freeway is 85%.  Suppose 100…

A:

Q: In a large on-the-job training program, half of the participants are female and half are male. In a…

A: We use Binomial Distribution to solve this problem. Let success denotes investigator will draw a…

Q: In the following table, the random variable x represents the number of students that a statistics…

A:

Q: In rolling a die, the probability of obtaining 2, 3, and 4 in three statistically independent throws…

A: Classical Definition of Probability: If there are n mutually exclusive, exhaustive and equally…

Q: d. What are E(X) and V(X)? e. In a sample of 50 children, what is the probability that none has a…

A:

Q: A bag of marbles contains the following assortment of marbles. Blue Blue Yellow Green…

A: Given: A bag of marbles contains the following assortment of marbles.   Blue Blue Yellow…

Q: In which probability distribution would a random variable XX have E(X)=λE(X)=λ?

A:

Q: Giving a test to a group of students, the grades and genders are summarized below. A B C Total Male…

A: Probability table,   A B C Total male 16/102 6/102 3/102 25/102 Female 2/102 13/102 11/102…

Q: Find the mean of the random variable X with the given probability distribution. * 1 2 P(x) 0.34 0.25…

A: Given that  Probability mass  function of X  x 0 1 2 3 P(x) 0.34 0.25 a 0.20

Q: In a sample of n=64 randomly selected whales, what's the probability that the sample average weight…

A:

Q: Giving a test to a group of students, the grades and genders are summarized below. A B. C Total Male…

A: We have to find the probability which we can find out by counting the number of Students confirming…

Q: Suppose that the random variable z, shown below, represents the number times. P(z) represents the…

A: Given data,

Q: An experiment consists of flipping a weighted coin with Pr[H]=0.8Pr[H]=0.8. The experiment ends when…

A: It is given that the probability of getting a head is 0.8. The coin is flipped at most two times.…