1) Compare the cost of gasoline in a foreign country of your choice with the cost of midland texas. You will need to find the price at the pump and the tax rates in each place. Then use appropriate unit conversions and subtract the tax from the price at the pump to find the cost of the gasoline itself.

Q: Exercise 2.9.54. [A] The exchange rate between euros and U.S. dollars is 1 € = $1.23. (a) How much…

A: Since 1 EUR = 1.23 USD, 100 EUR = 123 USD

Q: f (x) = kx^2, k constant, -1 =< x =< 1. f (x) is a p.d.f. the value of k= 1? false b. true a.

A: given function  f(x)  = kx2   ;(-1⩽x⩽1) f(x) is valid pdf is k = ?

Q: In a city, 40% of the population is poor, 25% people are rich, and 35% are middle class.find the…

A: Given Information: 40% of the population is poor  25% people are rich 35% are middle class.

Q: If E denotes the expectation the variance of a random variable X is denoted as (E(X))^2 - E(X)

A: Let Expected value=E(X)

Q: 2 o calculate the probability P(0 ≤ ZS 2.74), we compute the difference (2.74) - (0). The cdf values…

A: Normal distribution probability value is calculated using the z table. It has both the two tailed…

Q: Event A: No even numbers on the last two rolls Event B: Exactly one odd number Event C: An odd…

A: Given: A number cube is rolled three times. There are 8 outcomes in total The objective is to check…

Q: An ecologist wishes to mark off a circular sampling region having radius 12 m. However, the radius…

A: From the provided information, The pdf is as follow:

Q: The company can expect to pay out $ (Type an integer or a decimal.) over the year after the policies…

A: here given , An insurance company has written 50 policies for $90,000, 100 policies for $30,000, and…

Q: FIGURE 7.4 Sampling distribution of for n=2 dice .30- 8

A: Simulation code  If a single die is tossed the probability of chance of occurrence = 16 If two dice…

Q: Combinatorial analysis is a branch of mathematics that develops methods for performing counts…

A: Given that  Total guinea pigs = n = 8 Choose guinea pigs = r = 3

Q: Let X = the number of nonzero digits in a randomly selected 4-digit PIN that has no restriction on…

A: The random variable X represents the number of nonzero digits in a randomly selected 4-digit PIN…

Q: This exercise is based on the following list of top DVD rentals (based on revenue) for the weekend…

A: Number of arrangement of data has been calculated using the principal counting method. Some of them…

Q: There is a mixed group of 100 students and/or teachers; 45 are boys, 55 are Girls, and 23 are female…

A: 45 - boys 55 - girls 100 total students or teachers 23 are female teachers

Q: b) Is X(t) wide sense stationary?

A: Given That,                   X(t)=Ucost+(V+1)sint E(U)=E(V)=0 and E(U2)=E(V2)=1

Q: The analysis of results from a leaf transmutation experiment (turning a leaf into a petal) is…

A:

Q: To kill a target, we need to hit it twice.  The weapon we are using has a single-shot hit…

A: The random variable X defines the number of shots until the target is killed.

Q: Use a numerical integration command on a graphing calculator to find the indicated probability. The…

A: Given, mean is 45000 and standard deviation is 14000. We will use z-standard normal distribution.

Q: The human resource department at a certain company wants to conduct a survey regarding worker…

A: We have given that Population size (N) = 4059 Sample size (n) = 50

Q: The move to online instruction that was forced on universities by COVID has introduced considerable…

A: Given information: x P(x) 200 0.1 250 0.2 300 0.4 350 0.15 400 0.15 Sum 1

Q: Timely patching is important for server security. Suppose an organization has 3 servers. Two of them…

A:

Q: A random variable, z, has p.d.f. f (z) = e², 0 =< z <1. Calculate the expected value of z.

A:

Q: The "Dogs of the Dow" are the stocks listed on the Dow with the highest dividend yield. The…

A: (a) Determine the number of portfolios is possible. The possible number of portfolios is obtained…

Q: An ecologist wishes to mark off a circular sampling region having radius 15 m. However, the radius…

A: The probability density function of a random variable R is given as follows: f(r)=341-(15-r)2…

Q: Having the text (AAABAC BCCBBAAAD BBBC D). Find The text probability P(C) O a. 7/20 O b. 2/20 O C. O…

A: Here text is given We have to calculate Probability for letter c P(c) =? Probability = favorable…

Q: Loblolly is a built-in R dataset that that records the growth of Loblolly pine trees. We are…

A: Given We need to show growth of loblolly dataset(i.e. Height ) a) Display dataset b)Interquartile…

Q: he lifespan (L) of each of 2000 valves is measured and given Calculate the probability that the…

A:

Q: (c) P(-2.70 ≤Z≤ 0) (d) P(-2.70 ≤Z ≤ 2.70) (e) P(Z < 1.46)

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

Q: 1. You are given P[AU B] = 0.7 and P[A U B'] = 0.9. Calculate P[A].

A: Given P(AUB)=0.70, P(AUB')=0.90  P(A)=?

Q: 6) You ask your friend to randomly write down a 5 digit number. What is the probability that he…

A:

Q: A baker put 500 raisins into dough, mixed well, and made 100 cookies. You take a random cookie. What…

A: There are n=100 cookies are made from a dough of 500 raisins. So, there are 500 raisins. Each…

Q: 14. The number of cars washed in a certain car wash station is a Poisson random variable with a mean…

A:

Q: Cato drinks 8 glasses of water each day. He will drink 2920 glasses of water in a year that had 365…

A: Given information: Cato drinks 8 glasses of water each day. There are 365 days in the year.

Q: Drug tests are designed with a known sensitivity. However, those interested in such tests want to…

A: Given information: The accuracy of the test is 99% and that 0.5% of the population uses the drug.…

Q: The probability a machine has a lifespan of more than 5 years is 0.8. Ten machines are chosen at…

A: Given: Sample size (n) = 10 The probability that a machine has a lifespan of more than 5 years is…

Q: tossed three times. An outcome is represented by a string of the sort HTT (meaning a head on the…

A: Given: A coin is tossed three times. The total possible outcomes when a coin is tossed 3 times is…

Q: A function randomly generates 4-digit decimal numbers in the range of 0000 to 9999 (all have the…

A: Answer :- A function randomly generates 4-digit decimal numbers in the range of 0000 to 9999.…

Q: Number of circular permutations of different .!things taken all at a time is (n-1)

A:

Q: Let X be a discrete random variable with P(X = -1) = .3, P(X = 1) = .45, P(X = 2) = .15 and P(X = 6)…

A: The following information has been given: We have given that X is a discrete random variable.  P(X =…

Q: i want to repost and answer the remaining question

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted....…

Q: Q1. Let x be a random variable with density function {(x + f(x) = (k+1)x² 0<x<1 0 otherwise Find the…

A: Given f(x)=(k+1)x2 0&lt; x&lt;1

Q: In how many ways can we select 5 people out of ?10, of which a particular person is not included 965…

A:

Q: How many words can be formed by permutation of the letters of the word DEPRESSION such that each…

A:

Q: 7. A researcher observes and records the behaviors of children on the playground before lunch and…

A: A researcher observes and records the behaviors of children on the playground before lunch and after…

Q: Let X denote the amount of time a book on two-hour reserve is actually checked out, and suppose the…

A: As per our guidelines we are supposed to answer only 3 sub-parts of any questions so i am solving…

Q: . About 5% of a store’s customers respond to advertised sales. The other 95% shop when they have…

A: Given: P(Do shopping due to promotional advertising)=p=5%=0.05 Number of customers (n) =21

Q: Please use the following table to answer the question. Right Handed Left Handed 87 13 89 11 Male…

A:

Q: In how many ways can we select 5 people out of 10, of which a particular person is not included? a.…

A: Here we have to select 5 people out of 10 of which a particular person in not included

Q: Scores  on  a  standard  IQ  Test   for  people  aged  20  to  34  are   normally distributed  with…

A: Given information: μ=110, σ=25

Q: An economist predicts that the probability of an increase in gross domestic product (GDP) is 0.63…

A: Given,P(an increase in GDP)=0.63P(an increase in inflation)=0.53P(An increase in GDP and…

Q: he probability a component is acceptable is 0.8. .Five components are picked at random What is the…

A: given data  select 5 components at random  P(acceptable component) = p = 0.8 x = no. of acceptable…