What probability is need for x = 2 to make it a valid distribution? Find the probability when x is at least 2? What is the expected value of the probability distribution? Round to two decimal places.

Q: 1.A company trying to decide which 3 colors to include in a promotional mini box of 3 crayons. They…

A: 1) Combination Rule: There are n different items and r number of selections, the selections are made…

Q: For major league baseball teams, is there a relationship between player payrolls and gate mon- of…

A: Given information: x y x^2 y^2 xy 59.2 25.56 3504.64 653.3136 1513.152 80.5 40.74 6480.25…

Q: Now let's look at the theoretical distribution: X f= σ= Q1 = U(0, 1)

A: Given X~U(0,1) Note: According to Bartleby guidelines expert solve only one question and maximum 3…

Q: 8B and 7A Kindly solve Part B for Q8 and Part A for Q7 Needed to be solved required parts only in 30…

A: 7a.

Q: The probability density of a random variable X is given in the figure below. 0 1 X From this…

A: From the provided information, The figure follows uniform distribution. U (0, 2) Here a = 0 and b =…

Q: What is the equilibrium market share? L0.4 0.3 0.

A:

Q: Treatments Error k-1 =3 N-k=716 SSTR = 212.9379 SSE 1,969.4932 MSTR = MSE = SSTr k-1 212.9379 SSE…

A: It is given that the  ANOVA table. Here, need to fill up some missing values in the table.

Q: different proble In a Communication class of 10 students, a professor plans to pick 2 students to…

A:

Q: probability becomes P (E₁ IB) = 0.24, P(B) = 0.29. Complete parts a through c. a. Calculate P (E₁…

A: It is given that  P(E1) = 0.39 P(E2) = 0.11 P(E3) = 0.47 P(E1/B) = 0.24 P(B) = 0.29

Q: 18. Define Bayes Theorem

A: Bayes theorem calculates the probability of an event or the predictive value of an outcome of a test…

Q: An Insurance company has developed the following table to describe the distribution of automobile…

A: Given Information: Consider the given information: Payment Probability 0 0.85 500 0.06 1000…

Q: A study found that the mean amount of time cars spent in drive-throughs of a certain fast-food…

A: GivenMean(μ)=146.9standard deviation(σ)=31

Q: Find the sample means of the number of pretzels consumed for the remaining treatments, rounding your…

A: Given data: Treatment 1 Treatment 2 Treatment 3 Treatment 4 9 5 2 5 7 9 6 1 3 0 1 5 14 3…

Q: A jar containing 2 balled colored green and purple. An experiment consists of repeatedly drawing one…

A: Given that A jar contains two balls colored green and purple. Balls are selected with replacement…

Q: 36% of women consider themselves fans of professional baseball. You randomly select six women and…

A: The following information has been provided: The probability of success is p=0.36 The total number…

Q: 7.If 20% of the bolts produced by a machine are defective, determine the probability that, out of 4…

A: Givenp=0.20sample size(n)=4Let "x" be the no.of bolts will be…

Q: 2. Let X and Y be continuous random variables having the joint density function: [c(x² + y²) 0 f(x,…

A: Given that        c = 3/2  The the joint pdf of x and y is given in the question.

Q: a) f(2)=P(X=2) = b) E(X)= c) Var(X) =

A: Given that  Probability mass function of X  X 0 1 2 3 8 f(X) =  P(X=x) 0.3 0.1 ? 0.2 0.3…

Q: Suppose you roll a 20-sided die 3 times in a row and you record the result as an ordered list of…

A: 20 sided die : 3 times : total outcomes= (20³) = 8000 {1,2,....20} Probability= favorable/total

Q: Show P(ABC)=P(A| B^C)P(B| C)P(C).

A: here we have to show LHS = RHS we will use conditiong definition

Q: n a particular pain clinic, 10% of patients are prescribed with narcotic pain killer: Overall, five…

A: Given Let A be the event that a patient is an addict B be the event that a patient is prescribed…

Q: 1.There are 12 people on a committee. The committee consist of 3 faculty members and 5 tudents to be…

A: We have given that 12 people on a committee. The committee consist of 3 faculty members and 5…

Q: How did you get the 38,37, and 26?

A: No.of red balls = 3 No.of green balls =3 No.of blue balls =2 Total no.of balls = 8 (i.e. 3+3+2)…

Q: The immortal jellyfish Turritopsis dohrnii is a sea creature that spends the majority of its life in…

A: Given that polyps develop into free-swimming medusa as they age, and medusae are able to return to…

Q: Using the t-table, determine the critical value(s) (t-value(s) that delineates the boundary of the…

A: Given;sample size(n) = 19level of significance(α) = 0.05right tail test

Q: Managers of an outdoor coffee stand in Coast City are examining the relationship between (hot)…

A:

Q: A drawer has 4 red socks and 4 blue socks. (Enter your probabilities as fractions.) (a) If 2 are…

A:

Q: The current mean time for a production process is μ = 100 minutes. An engineer has developed a new…

A: Type 1 error : If null hypothesis rejected if it is true.   Type 2 error : If null hypothesis…

Q: In a batch of 50 light bulbs, 5 are defective. Two are selected at random, without replacement, from…

A:

Q: The data in the following table represent the number of hours o relief provided by five different…

A: Given data:     Tablet     A B C D E 5.2 9.1 3.2 2.4 7.1 4.7 7.1 5.8 3.4 6.6 8.1 8.2 2.2…

Q: An executive committee consists of 13 members: 6 men and 7 women. 3 members are selected at random…

A: given data,6-men 7-women 13-total members an exclusive commitee of  3 memebers are selected the…

Q: How many 4 digit numbers can be formed using only the numbers 3 2 7 6 0 4 9 if the number is odd and…

A: numbers: {3,2,7,6,0,4,9} make 4 digit numbers  no repeatation odd numbers: last digit must be odd.…

Q: An ordinary 6-sided die is rolled repeatedly with the following outcome: 63 ones, 31 twos, 54…

A:

Q: Salinity in Quebec river is a combination of tides and rain. Rain that diluted the salt occurs about…

A: From the given information, Salinity in Quebec river is a combination of tides and rain. Rain that…

Q: Suppose the proportion X of surface area in a randomly selected quadrat that is covered by a certain…

A:

Q: On a vacation, you ask your neighbor to water a diseased plant that you are taking care of while you…

A: Event is the possible chance of all the observation can involve. If an event happen already based on…

Q: 2. In the selection of 16 finalists, 3 finalists will be selected to participate in the next round,…

A: It is given that  Total finalist = 16 Selected finalist for next round = 3

Q: Consider the following probability distribution:…

A: The probability function of X is given by P(x)=(5!)/(x!(5-x)!).(0.7)x.(0.3)(5-x) , x=0,1,...,5

Q: /5 Points] DETAILS DEVORESTAT9 4.4.060. MY NOTES Let X denote the distance (m) that an animal moves…

A:

Q: The weekly revenue earned by a certain restaurant has a mean of $118,500 and a standard deviation of…

A: GivenMean(μ)=118500standard deviation(σ)=16800

Q: You are a member of a data science team of a major cancer specializing hos- pital. To plan resources…

A:

Q: A student is asked to answer seven of ten questions on a test. How many different ways can a…

A: GivenTotal no.of question(n)=10No.of questions student asked to answer(r)=7

Q: (c) By how much can we expect 28-day strength to change when accelerated strength increases by 80…

A: It is given that the regression equation is  y = 1820 + 1.2x

Q: The overhead reach distances of adult females are normally distributed with a mean of 197.5 cm and a…

A: Given n=20, mean μ=197.5, standard deviations σ=8  (a) P(X=207.5)=? (b)  P(x̄>195.30)=?

Q: Probability and Statistics – Consider a game of chance using 5 dice. (Recall that a die has 6-sides,…

A: Given information: Number of dice used = 5 Number of times five dice are rolled = 10

Q: If event A is independent of event B and A is independent of event C. Which of the following…

A:

Q: If one card is drawn from a deck, find the probability of getting these results. Enter your answers…

A: It is given that one card is drawn from a deck.

Q: (a) In a random sample of 186 children taken more than a decade ago, what is the probability that 50…

A: a) n=186 More than a decade ago, high levels of lead in the blood put 83% of children at risk. Let X…

Q: If A and B are mutually exclusive, then P(AI AUB)= P(A) P(A) + P(B)

A: Solution-; If A and B are mutually exclusive, then prove that  P(A|A∪B)=P(A)P(A)+P(B)

Q: Farms FaC has a loan of 500,000 from Bailey Bank. Under the terms of the loan, FaC will pay interest…

A: Loan = 500,000 120 basis points = 0.0120 Same :  50 basis points = 0.0050 Fixed rate = 5.35% LIBOR…