Assume that X has an exponential distribution. If Var (4-4)=20. Then E(X) is 20 b.0 C. 5 d. 10 e. None "The variable X has a unic

Q: A single card is drawn from a standard 52-card deck. What is the probability that the card is either…

A: Given that, a single card is drawn from a standard 52-card deck.

Q: License plates consist of 3 letters followed by a 3-digit whole number. How many different license…

A: Given information: License plates consist of 3 letters followed by 3-digit whole numbers.

Q: Multiple studies show that the probability of dying in the hospital is higher if you are admitted on…

A: Given: Multiple studies show that the probability of dying in the hospital is higher if you are…

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: er of circular permutations of different .!things taken all at a time is (n-1) True False .a h

A: For a straight line, the number of ways if arranging n things, people or elements is n! For a…

Q: 3. Suppose that the number of insurance claims, N, filed in a year is Poisson distributed with E(N)…

A:

Q: Suppose that the number of drivers who travel between a particular origin and destination during a…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: The force of mortality is given by Calculate μ35+t 1 100+ t

A: From the given information, The force of mortality is, μ35+t=1100+t a) The probability that a…

Q: According to PSA, the probability of a randomly selected 90-year old Filipino survives for at least…

A: given data  probability that a randomly selected 90 year old filipino survive for atleast another…

Q: The following table shows the number of students in three different degree programs and whether they…

A: Given:   Undergraduate Graduate Total Business 150 50 200 Engineering  150 27 175 Art &…

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: 10. A biased coin, in which the likeliness of landing on heads is three times more than tails, is…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

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: I have a bag containing 40 blue marbles and 60 red marbles. I choose 4 marbles (without replacement)…

A: This This question is belongs to hypergeometric distribution. Used formula Probability = Favorable…

Q: A jury of 14 people is selected from 26 people: 13 women and 13 men. What is the probability (to the…

A:

Q: In how many ways can we select 5 people out of ?10, of which a particular person is not included 9C5…

A: There are ways that are used to find the number of arrangements to select an object. (a)…

Q: 20. What is the probability of an actually event? O a. O O C. O 0 b. Insufficient data 1 d. Not…

A: Since we know that The probability of an event is the number expressing the chances of occurring the…

Q: A cell phone user selects apps to download. Each of 10 apps is independently selected with…

A:

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: 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: 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…

Q: 1 Find skewness and kurtosis for the RV X with PDF f(x) = 2T -∞ < x < x.

A: PDF of X,  fX(x) = 12πe-x22, -∞&lt;x&lt;∞ So, μ = E(X) = ∫-∞∞x f(x) dx=∫-∞∞x 12πe-x22 dx=0 [as…

Q: in, 0.47 mm at 5 min, 0.70 m mm at 11 min, and 0.99 mm st value in each case is whe occurred. ngle…

A:

Q: Suppose that the time until failure of a certain device has an exponential distribution. If the mean…

A: given data  mean time until failure of device  = μ = 25000 hours…

Q: Can someone explain converting between fractions, decimals, and percents for me? I need a quick…

A: To convert a fraction to a decimal, divide the numerator value by the denominator. To convert the…

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: A standard quality check found that out of 200 light globes, 6 had a defect. (i) If the sample…

A: i) Suppose p is the true proportion of defected light globes.

Q: tain brand of upright freezer is available in three different rated capacities: 16 ft3, 18 ft3, and…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: A random experiment consists of tossing a die and observing the number of dots showing up. Let A₁:…

A: toss a dice  x = no. of dots showing up. sample space of x  : {1,2,3,4,5,6} A1 : number of dots…

Q: Decide whether a discrete or continuous random variable is the best model for each of the following…

A: It is needed to obtain the best choice of discrete or continuous random variable in each case.

Q: If n(A) = 102, n(A U B) = 159, and n(A n B) = 45, find n(B).

A: Hi there! Since there are two different questions we will solve one question for you. As the first…

Q: f(r) = - (10-)²] 0 9 ≤rs 11 otherwise m. However, the radius of the resulting regio What is the…

A:

Q: Which engineer would you guess did the work?

A: From given data we have : P(Engineer 1)=70%=0.7 P(error |Engineer 1)=0.02 P(Engineer…

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: d) How many different boards can be formed that include a president, a secretary, a treasurer and a…

A: Given : Total number of students =10 Number of roles assigned in part (d) is 4 (president,…

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

A:

Q: A ternary digit is either 0, 1, or 2. How many sequences of nine ternary digits are possible…

A: The ternary digit is either 0 or 1 or 2.

Q: A bag contains 8 books. 3 are economics, 2 are English, and 3 are math. A book is selected at…

A: Introduction Probability: Probability helps us in knowing the chances of an outcome from a trial.…

Q: On Christmas Day, 500 planes are grounded at Denver International due to extremely inclement weather…

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Q: 4. DETAILS DEVORESTAT9 4.2.012. The error involved in making a certain measurement is a continuous…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…

Q: Nancy is playing cards. What is probability of pulling a diamond or 4 of clubs?

A: nancy is playing cards. p(pulling diamond or 4 of clubs) = ? there are 13 cards of diamonds and 1…

Q: A mail-order computer business has six telephone lines. Let X denote the number of lines in use at a…

A: Let X denote the number of lines is use at specified time.   The pmf of x is given in following…

Q: (a) What is the probability that defect length is at most 20 mm? Less than 20 mm? (Round your…

A: From given data we have: μ=30, σ=7.4

Q: 1. In a two-class problem, the likelihood ratio is p(x|C₂₁) p(x|C₂) Write the discriminant function…

A: Given that

Q: i want to repost and answer the remaining question

A: Given that Population mean=33 mm  Standard deviation =7.4 mm  We have to find d..The values separate…

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: During one year, a particular mutual fund outperformed the S&P 500 index 41 out of 52 weeks. Find…

A: Given that: A particular mutual fund outperformed the S&amp;P 500 index 41 out of 52 weeks.

Q: Alana has a packet with 3 silver wrapping papers, 5 golden wrapping papers, and 6 pink wrapping…

A: Given that :  3 silver wrapping paper  5 golden wrapping paper  6 pink wrapping paper  Two wrapping…

Q: In how many ways can we select 6 people out of ?12, of which a particular person is not included 9C5…

A: we have to select 6 peoples out of 12 persons. we have to find number of ways to select such as…

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

A: We have given that the following table