a.) What is the expected payout? b.) Is it expected that a person playing this particular game will win money or lose money? O win money since the expected value is positive o lose money since the expected value is negative c.) What is the standard deviation (round to four decimal places)?

Q: Investment A has an expected return of 7.8% with a standard deviation of 2%. Investment B has an…

A:

Q: At a large government office center in Chicago, it has been found out that the time employees spend…

A:

Q: The average credit card debt for college seniors is $3000. If the debt is normally distibuted with a…

A: A) The senior owes at least $1200

Q: A call center recruites operators on a 2 week probationary period before hiring a select group as…

A: Given : Population Mean,μ = 32.0 Population Standard Deviation,σ = 10.0

Q: You are trying to develop a strategy for investing in two different stocks. The anticipated annual…

A: Given data and to find:

Q: (d) Write down the name of the sampling method for the following cases: (di) A fair representative…

A: Hello thankyou for the question. As you asked only answering two parts in part d of the question.

Q: An electrical company claims that the average life of the bulbs it manufactures is 1 300 hours with…

A: According to central limit theorem if the population is normal or the sample size is at least 30,…

Q: feels that she has provided excellent service if the tip is more than $15. The probability that a…

A: Let X be the random variable from normal distribution with mean (μ) = 10 and standard deviation (σ)…

Q: Suppose that the heights of men in the United States are normally distributed with a mean of 65.6…

A: The mean is 65.6 and the standard deviation is 2.7.

Q: In the following probability distribution, the random variable x represents the number of activities…

A:

Q: need answer for expected value

A: It is an important part of statistics. It is widely used.

Q: The probabilities that fast – food restaurant sells 10, 20, 30, 50, 100 burgers daily are 0.20,…

A:

Q: There are 16 movies on a shelf: 4 are documentaries and 12 are comedies. Two movies are selected at…

A: Mean=E(x)= sum XP(X=x) E(x^2)=sumx^2P(X=x) V(x)=E(x^2)-(E(x))^2 Sd(x) =sqrt(V(x))

Q: Q3) A player at a fair pays Rs. 100 to roll a dice. The player receives Rs. 50 if the number of dots…

A: It is given that a players receives Rs.50 if number is 5 and Rs.200 if the number is 6 and he gets…

Q: A car salesman has a .2 probability of selling a car (or more than one car) each day.  In 100 days…

A: There are two possible outcomes in this case. That is, probability of selling a car and probability…

Q: The population mean annual salary for an electrician is $46,700.A random sample of 42 electricians…

A:

Q: Standard Deviation:    A dice game involves rolling a fair six-sided die. If a player rolls a 1, 2,…

A: Given the following conditions,If a player rolls a 1, 2, or 3, they lose $2. If they roll a 4 or 5,…

Q: The mean annual cost for car insurance is normally distributed. For a used car, the mean annual cost…

A: Solution

Q: Consider a binomial distribution. About 35% of all college students are currently enrolled in an…

A: Given : Probability of success = p = 0.35 Number of sample = n = 25

Q: Medicine. The reaction times (in minutes) of a drug given to a random sample of 12 patients are: 3.3…

A:

Q: The lengths of pregnancies are normally distributed with a mean of 266 days and a standard deviation…

A: A z-score represents the position of a data point in terms of its distance from the mean when…

Q: a. Find the mean and the standard deviation of the number of these computers that will be returned…

A: The answer can be given using the concept of the binomial theorem.

Q: URGENT! 7-3-27 - CAccording to the Bureau of Labor Statistics, the mean weekly earnings for people…

A: The mean weekly earnings for people working in a sales is $625.Standard deviation is

Q: The minimum aptitude test score needed to be considered a genius is points. (Type an integer or a…

A: It is given that Mean, μ = 100 Standard deviation, σ = 12

Q: The owner of a convenience store has determined that their daily revenue has mean $7,200 and…

A:

Q: Suppose that the commuting time on a particular train is uniformly distributed between 41 and 61…

A: Here the given information is ,Suppose that the commuting time on a particular train is uniformly…

Q: A particular lake is known to be one of the best places to catch a certain type of fish. In this…

A: Formulae : Expected value : μ = ∑xP(x)  Standard deviation : σ =∑(x-μ)2P(x)

Q: C. Shawn is targeting to win at least 100,000 pesos in the game. In the previous games, it was found…

A: Answer :-   Given that  Let the X be a the amount of money won by the contestants   X ~ N(μ , σ2 )…

Q: Tubes are manufactured in a company that has a mean of life, (hr = 800) and a standard deviation of…

A:

Q: An Olympic archer is able to hit the bull's-eye 82% of the time. Assume each shot is independent of…

A: given data P(hit bulls eye) = p = 0.82sample size (n) = 7x = no. of times hitted bulls eye

Q: A fair coin is tossed until heads appear for the third time. Let the random variable X be the number…

A: Let coin resulting in head be considered as success and the coin resulting in tail as failure. Thus,…

Q: A department store manager has monitored the number of complaints received per week about poor…

A: The objective of this question is to calculate the standard deviation of the number of complaints…

Q: Determine whether the statement is true or false. If it is false, rewrite it as a true statement. As…

A: Formula : The standard deviation of the distribution of sample means σₓ̄ = σ/√n

Q: Anticipated consumer demand in a restaurant for free range steaks next month can be modeled by a…

A: Given Mean=1200 S=90

Q: 3.) The amount of tip the waiters in an exclusive restaurant receive per shift is normally…

A: It is an important part of statistics. It is widely used.