Event C : drawing a card from a deck; event d : without replacement ( without putting the previous card back to deck ) , drawing a second card ; a) Event C and D are independent or dependent? Event E : being a lifeguard ; Event F: getting a suntan b) Event E and F are independent or dependent?

Q: Solve the following problems, Round off your answer to the nearest hundredths. he humber of computer...

A: We know that.   Formula  E(x)= ∑x×p(x) E(x2 )=∑x2×p(x) Var(x)=E(x2 ) - [E(x)]2 

Q: 3 Question * The random variable X has the probability density function f(x) given by: 3 x2, |x| a)...

A:

Q: In a large population, 19% of residents have been vaccinated. Suppose a random sample of 8 residents...

A: Given that n =8 ,p=0.19 Find the given probabilities

Q: 1. In how many ways can you create 2 letter words from the letters in the word DAVE? Answer: 2. How ...

A: The number of ways to select r elements out of n distinct elements is computed using the combination...

Q: Toss a fair coin once. Let X be the number of tails that occur. Find the probability mass function o...

A: It is given that X : number of tails in tossing a fair coin. Note : Since you have asked multiple qu...

Q: Let x have a uniform distribution on the interval 0 to 10. Find the probability. P(x > 6)

A: Given  X~U(0,10)  P(X>6)=?   

Q: Google Virginia's Powerball and calculate the probability of winning the jackpot. Use simple convers...

A: Note: As per guidelines we will only answer the first three subparts, please repost other subparts f...

Q: 6. Do people find TV shows funnier when there is a laugh track (canned laughter ostensibly from a li...

A: Two sample t test : The main assumptions for a two-sample equal-variance t-test area unit that the d...

Q: normally distributed with a variance of o². 6.68, 6.66, 6.62, 6.72, 6.76, 6.67, 6.70, 6.72, 6.78, 6....

A: Given6.68,6.66,6.62,6.72,6.76,6.67,6.70,6.72,6.78,6.66sample size(n)=10

Q: Class 10R sat a test. The mean mark for the class was 70%. There are 30 students in class 10R, 20 of...

A: Given: Total student (n)=30Number of boys (nb)=20Mean (μ)=70%Mean for boys (μb)=62%

Q: Which of the following class interval has a midpoint 145.5?   a.) 140-149   b.) 140-150   c.) 141-14...

A: Since we know that mid point of class interval is defined as  Mid point = (Upper limits + Lower limi...

Q: In a survey of 500 students in a university, 200 are enrolled in Psych 101, 180 are enrolled in Span...

A:

Q: For Exercises 7 through 12, determine whether the distribution represents a probability distribution...

A: Properties of probability :1) sum of the probabilities is equal to one2) probability values always l...

Q: The probability function for the number of seizures, X, of a typical epileptic person in any given y...

A:

Q: Three locks can safely lock the door with the probabilities of 0.7, 0.8, and 0.95, respectively. Fin...

A:

Q: Prove or give a counterexample to each of the following statements: (a) If A and B2 are independent...

A: Given Statement  If A and B2 are independent then P(A|B1 ∩ B2) = P(A|B1) (where P(B1 ∩ B2) > 0).

Q: Among 18 details manufactured by factory, 15 are standard. (B)Let X be the number of standard detai...

A:   Given:  no of details manufactured by factory =18  no of standard details=15  probability of stand...

Q: The following distribution represents the data for weights of grade 5 students. Find the approximate...

A: We have given that,  Class interval    frequency (f)  52.5- 55.5            9 55.5-58.5            1...

Q: B. Fruity Combination – In the second round, Shawn has to correctly guess the combination of four fr...

A:

Q: Let X be a continuous random variable. The probability density func- tion of X is given by (see pict...

A: We want to find the Probability density function of Y=X3

Q: An urn contains 16 numbered balls, of which 10 are red and 6 are white. A sample of 4 balls is to be...

A:

Q: Activity 2. Directions Find the area that values). 1. Z= 0.6 2. Z= 1.96 3. Z= -1.51

A: 1)  Z = 0.6 By standard normal table of z = 0.2257 2) Z = 1.96 By standard normal table of z =0.475 ...

Q: Suppose that we have a population proportion P= 0.20 and a random sample of size n = 100 drawn from ...

A:

Q: Perform the test hypothesis on the following scenarios. In building an arena, steel bars with a mean...

A: We have given that  Sample size n =50 Sample mean =390 Variance =81 Standard deviation =9

Q: 2. The following table gives the probabilities that a probation officer will receive 0, 1, 2, 3, 4 o...

A:

Q: Giving a test to a group of students, the grades and gender are summarized below A В Total Male 9 6 ...

A: The total number of students is 74.

Q: Among 18 details manufactured by factory, 15 are standard. (A) If 4 details are chosen at random, wh...

A:

Q: 2) From a deck of 52 playing cards, 5 cards are to be drawn. How many sets of 5 cards are possible i...

A: As per our guidelines we are supposed to answer only 3 sub-parts of any question so I am solving fir...

Q: 1. Using a calculator, solve for the mean and the standard deviation of the given set of data. a. 15...

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

Q: Frisbees comes in 5 models, 6 colors and 3 sizes. How many Frisbees must the local dealer have on ha...

A: We have given that 3 types of Frisbees namely 5 models, 6 colours and 3 sizes.   Combination formula...

Q: If you roll a fair die twice and observe the numbers that face up, then the probability that the pro...

A: The sample space is, S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2) (2,3) (2,4) (2,5) (2,6)  (...

Q: The probability function for the number of seizures, X, of a typical epileptic person in any given y...

A:

Q: In each problem, please indicate what kind of permutations is involved, then solve. Show ypur comple...

A: 1)Given Word is "GOOGLE"No.of letters in the word = 6No.of times letter "G" repeated = 2No.of times ...

Q: There are instances where system error occurs which greatly affects the mechanics of the game. In th...

A: Given: λ=1 error per 500 games The value is calculated as: λ=1500 error per game

Q: bemade white? At.colons orts leactv ance each code

A:   How many different 4-color code stripes can be made on a sports car if each code consists of the c...

Q: The print on the package of 100-watt General Electric soft-white light-bulbs says that these bulbs h...

A: As per Bartleby guideline expert have to answer first three subparts only dear student please upload...

Q: Examine the Function For relative extrema and raddle points. 80 x + 80y-x 2. h(x.y) %3D

A: Consider the function as shown below We have to find the partial differentials of first order of wi...

Q: A biased die is thrown thirty times and the number sixes seen is eight. If the die is thrown a furth...

A: List of formulae : Expected value : E(X) = np  Variance : Var(X) = np(1-p)   

Q: Toss a fair coin twice. Let X denote the number of tails. Find the probability mass function of X.

A: We have given that the fair coin is tossed twice. The sample space S is, { HH, HT, TH, TT }

Q: 5. Suppose that the population distribution has the probability density function e-(z-8) if x >0 f (...

A: In question, We have given the pdf of random variable X then we'll find the MLE of theta. The soluti...

Q: The probability that a planted radish seed germinates is 0.80. A gardener plants nine seeds. What is...

A:

Q: Long Questions 13. (а) Jisoo is considering ihe investment opportunities of a stock. After detail an...

A: Given, Return(%) -9 -5 3 4 10 Probability  0.05 0.2 0.1 X 0.25

Q: Consider two events B and C, such that P(B) = 0.28, P(C) = 0.46, and P(Cn B) = 0.2, then P(C n B) is...

A:

Q: A basketball player has made 70% of his foul shots during LatON following a) Misses for the Brst tim...

A: Probability is the measure that explain the likelihood of the event. It is calculated by number of f...

Q: an of 5.97 ounces and a standard deviation of 0,1 ounce. Suppose that you draw a random sample of 33...

A: Given The manufacturer of cans of salmon that are supposed to have a net weight of 6 ounces tells yo...

Q: Suppose X follows a continuous uniform distribution from 1 to 5. Determine the conditional probabili...

A: Given,A random variable X~U(1 , 5)f(x)=15-1f(x)=14  ;  1≤x≤5and CDF of x isF(X)=P(X≤x)=X-14    ;    ...

Q: 5. On January 2016, there were 500 males and 520 females in the age range between 25 and 30 living i...

A: Given that   There are 500 males and 520 females in the age range between 25 and 30 living in a smal...

Q: From the letters of the word TENNESSEE, how many different permutations can be forn the letters are ...

A:

Q: Let E and F be two mutually exclusive events of a sample space (S). Let Pr(E)= 0.6 and Pr(E∪F)= 0.8 ...

A: We have given that,  E and F are two events are mutually exclusive with Pr(E)= 0.6 and Pr(E∪F)= 0.8 ...

Q: What is the value of the degree of freedom for this test?  ii. What is the p-value for this test?  i...

A: From the given output we need to find certain questions.