11. The Booster Club is holding a raffle to raise money for the sports program. There is one prize worth $150, $90, $50, and $20 each. If 450 tickets are sold for $3 each, make a probability distribution chart and find the expected value. *, gain P(x) E(x)= Měan

Q: The budgeting process for a midwestern college resulted in expense forecasts for the coming year (in…

A: Given : The budgeting process for a Midwestern college resulted in expense forecasts for the coming…

Q: 2.35 draw 3 cards without replacement. If you draw 3 hearts, you win $50. If you draw 3 black cards,…

A: Combination deals with the selection of a set of objects without considering the order of…

Q: 8) Suppose that weight of adolescents is being studied by a health organization and that the…

A: We have given that,  Let x be random variable having probability mass function (p.m.f)  Let k is the…

Q: 4) The prizes that can be won in a sweepstakes are listed below together with the chances of winning…

A: To find: Find the expected value of the amount won for one entry if the cost of entering is 71…

Q: In the following situation, what sort of probability distribution would most likely be utilized to…

A: It is needed to obtain the required probability distribution.

Q: 2. The flight time for an airplane traveling from Muscat to Dubai is uniformly distributed between…

A: (a)  Since uniform distribution is a continuous uniform distribution, and there exist infinite…

Q: a. What is the probability that you get the first heart on the 7th turn? b. How many turns are…

A: Given: There are 3 hearts, 7 clubs, 2 spades in a deck of cards. Total cards, n=12

Q: 2. Employees were asked how many times per week they exercised. The frequency table shows the…

A:

Q: 23. What is the only variable in the Poisson probability formula? An B. x C.e D. P

A: Note: since you have posted multiple independent questions in the same request, we will solve the…

Q: A local bottling company has determined the number of machine breakdowns per month and their…

A:

Q: 1)- The marketing director for a small manufacturer of personal computers (PCs) believes that the…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: 4.55 Suppose that a grocery store purchases 5 car- tons of skim milk at the wholesale price of $1.20…

A:

Q: 1 Calculate the expected value of x in the probability distribution shown * 1 p(x) .1 4 4 .1 3.0 1.0…

A:

Q: Suppose a die is rolled twice. What are the possible values that the following random variables (Z)…

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

Q: Suppose that a die is weighted so that the outcomes produce the following probability distribution:…

A: Solution : Expected  value = 1×0.4+2×0.3+3×0.1+4×0.1+5×0.05+6×0.05 Expected  value =…

Q: 3. The number of suits sold per day at a department store is shown in the table, with the…

A: The mean of a discrete random variable X is denoted μx or, when no confusion will arise, simply μ.…

Q: The number of courses (X) that Sacramento City College sociology students are enrollec in this…

A: Multiple questions:   Hello! As you have posted 2 different questions, we are answering the first…

Q: Choose an American household at random and ask how many televisions that household owns. Here ar the…

A:

Q: The number of courses (X) that Sacramento City College sociology students are enrolle in this…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: 1. The Sports Associates Vending Company supplies refreshments at a baseball stadium and must plan…

A: X Frequency 4 13 5 22 6 20 7 34

Q: 2. The following table shows the probability distribution of the number of watches that a jeweller…

A: Given probability distribution: Number of watches Probability P(X) 0 0.05 1 0.20 2 0.30 3…

Q: 1) What is the arrival rate per hour? ) What is the probability that no students will arrive at the…

A:

Q: 1)- The marketing director for a small manufacturer of personal computers (PCs)'believes that the…

A: We know that, Mean =(summation Yi*p(y)) And Variance=E(Y2)-mean2  Where E(Y2)= (summation Yi2*p(y))…

Q: A balanced die is rolled until the same result appears twice. If this takes place in less than 6…

A: The theory of probability has its origin in the seventeenth century. The king of France,…

Q: 25, refer to the problem. e one thousand tickets that are sold for P50.00 each. One ticket will win…

A:

Q: The following table represents the probability distribution of the number of air conditioners that…

A: Solution

Q: A supermarket employs Cashier, Salesman and Supervisor. The distribution is shown below. Gender…

A:

Q: 1. The table shows the probabilities for the number of bets that must be placed in order to win in a…

A:

Q: 2. The probabilities of a machine manufacturing 0, 1, 2, 3, 4, and 5 defective parts in one day are…

A: Given that  Probability mass function of X is  x 0 1 2 3 4 5 P(X=x) 0.75 0.17 0.04 0.025 0.010…

Q: 3. A conditional probability P(B|A) is equal to its marginal probability P(B) if

A: If A and B are two events defined on sample space, then conditional probability of B given A is…

Q: Suppose that one third of the cards in a scratch-and-win promotion gives a prize. a) Create a…

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

Q: 10. Consider the following probability distribution: ( 2. 4. 0.5 0.3 0.2 a. Find P(X 4). b. Find P(X…

A:

Q: 3. Number of monthly absences of Juan Dela Cruz based on his previous records of absences as…

A: Expected value :  Expected value is that the value that AN investment is foreseen to own at a while…

Q: (a) What type of probability distribution does the variable X have? Write down the formula for the…

A: Here AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS  here given , there are total 20 students have…

Q: An article in The New York Times reports that several hedge fund managers now make more than a…

A: Given: Income of a manager in = $300 Additional 5% of the remaining income

Q: 2. Consider the probability distribution on the next a) E (:) x = }ECx)

A: Given,   X=1 X=2 X =3 X=4 X=5 X=6 X=7 X=8 X=9 Y=1 1198 1357 1965 1083 1256 1070 1418 1300 1068…

Q: Compute the indicated probabilities by referring to the probability tree. 0.4 0.2 0.6 0.6 (A) P(MnS)…

A:

Q: Here again is the probability distribution of the number of defective parts in an hour in Yves'…

A: According to the given information, We know that, The probability distribution of the number of…

Q: 4. An IT department at a small business has 9 laptop computers and 18 desktop computers. The…

A: Givenno.of laptops =9no.of desktops =18P(only laptops)=918+9p=0.33n=research group is alloted…

Q: 1. The following is a probability distribution for the number of credit cards a person has. Number…

A: a) The expected value or average is calculated as follows:

Q: The number of household members, x, living in Cityville homes has the following probability…

A:

Q: 3. Number of monthly absences of Juan Dela Cruz based on his previous records of absences as…

A: Let X be the random variable having probability mass function is,  Number of absence (X)  percent…

Q: Suppose the earnings of a laborer, denoted by X, are given by the following probability…

A:

Q: Find the expected value for the random variable whose probability function graph is displayed here.…

A: Expected value : E(X) = ∑xP(x)

Q: 11. A pediatrician records the number of ear infections that his patients have during the winter. A…

A: Solution According to guidelines we solve only first question

Q: 1 1 What is the expected value for the number of spaces a player moves forward on a turn?

A: Random variables are of 2 types, discrete and continuous. A discrete random variable can only take…

Q: Calculate the mean of the following probability distribution 3. P(X) Y ,100 O 22 O 0.95 O 1.8 O 1.3…

A: We have given that  Probability  distribution  Mean=E(x)= SUM(x.P(x))

Q: (1) (iii) the expected number of adults are not having side effects? the probability that more than…

A:

Q: The probabilities of a machine manufacturing 0,1, 2, 3, 4, or 5 defective parts in one day are 0.75,…

A: