An experiment consists of tossing a die and flipping two coins.Let X be a random variable whose values x are the number of heads.How many sample points are there in the sample space?

Q: A random sample of 125 adults was given an IQ test. It was found that 73 of them scored higher than…

A: Givensample size(n)=125x=73p^=xn=73125=0.584confidence interval=95%

Q: - 3. Bayes Net Representatione Consider the following Bayes Net structure в D A List at least 4…

A: Four conditional independence s are B∥A, B∥C  , D∥C , C∥D

Q: E.What is the probability that a randomly selected person from this study tried to quit smoking…

A: Here AS PER NOTE GIVEN I HAVE CALCULATED PART E

Q: 9. Given the scores 56, 45, 75, 81, 90, 46, and 65. What score will fall on the 80 th percentile? O…

A:

Q: Q2. (a) A bakery shops sells an average of 105 cakes per week (i) Find the probability that on a…

A: A discrete random variable X is said to follow Poisson distribution with parameter λ, if its…

Q: Q2. (a) A bakery shops sells an average of 105 cakes per week (i) Find the probability that on a…

A: A discrete random variable X is said to follow Poisson distribution with parameter λλ, if its…

Q: Use the t-distribution to find a confidence interval for a difference in means - given the relevant…

A: There are two independent variables which follows normal distribution. We have to construct 99%…

Q: 3. While I am dog person, my husband is a cat person. Two years ago, I was trying to convince him to…

A:

Q: gner noticed that to cut a basic clothing pattern, Marcela takes 20 to 40 minutes w 45 minutes.…

A: *Answer:  Marcela and Lorenza agreed to go under one-month observation period. During the time, the…

Q: Given the following table for l, complete whatever part of the life table is possible. : 0 1 3 4 5…

A:

Q: B.2 The average life of a certain type of small motor is 10 years with a standard deviation of 2…

A: Given Population mean μ=10, population standard deviations σ=2  Let X be the lifetime of a motor…

Q: A box contains 4 balls numbered 1,3,5,7. Two balls are randomly chosen from this box WITH…

A: There are total 4 balls. N= 4 We've to choose 2 balls from the box. n= 2 There are total N+n-1Cn=…

Q: The joint PDF of X and Y is given as S2, f(x, y) = {o, 0, 0<x<y<1 otherwise Find the marginal PDF…

A: The joint pdf of X and Y is given by  fx,y=2             0≤x≤x≤10              otherwise

Q: What is the formula of z?    a. (x-μ)/σ   b. (μ-σ)/x   c. xμ-σ

A: Given that.  Z-score is raw score minus mean and whole divided by standard deviation

Q: Use the tree diagram below to predict the probability of flipping 3 coins and getting all heads or…

A: The number of coins flipped is 3.

Q: Suppose that X is a random variable * ? having the following p.d.f. , Find Var(x) { 2(1 – x) 0 < x <…

A: Given: f(x)=2(1-x) , 0&lt;x&lt;1 The formula to compute the mean is: V(x)=∫x2fx dx-∫xfx dx2

Q: ologist reports a confidence interval of (2.2,4.0) when estimating the mean height (in centimeters)…

A: Given that  Confidence interval.  (2.2 , 4.0) Margin of error =E

Q: 3.) College Credits: Eighteen students in a geology class were asked how many college credits they…

A:

Q: On average, indoor cats live to 14 years old with a standard deviation of 2.8 years. Suppose that…

A:

Q: Records indicate that the mean weight of mature rainbow trout in Eagle Creek is 1.75 kg with a…

A: Given that  σ=0.37 , s=0.49 , n=19

Q: Bowl B1 contains 3 white and 9 red marbles; bowl B2 contains 8 white and 4 red marbles; bowl B3…

A: Given that,     Bowl B1 contains 3 white and 9 red marbles     Bowl B2 contains 8 white and 4 red…

Q: Tacoma's population in 2000 was about 194 thousand, and has been growing by about 10% each year. a.…

A:

Q: n USE SALT hours

A: Given that.   X~N( μ , ?^2 )   μ=13    , ?=1  , n=9   Z-score =( x - μ )/?

Q: 10. Given the following table of Grades from Ms. Salinas' Math classes: A B C F Total Males 14 14 8…

A: Introduction:  The joint Probability distribution:  The joint probability distribution describes the…

Q: 13. In solving for the 70th. percentile, the lower boundary to use is

A: To determine the lower boundary in solving gor 70th percentile, the number of observations is n =…

Q: Example 2 Represented the following data using percentage bar diagram. States: Karnataka Tamilnadu…

A:

Q: P(odd U T)= P(even U H)=

A: In the given situation, the total outcomes are, (1, H), (2, H), (3, H), (4, H), (5, H), (6, H) (1,…

Q: Solve for the following. Write your answer on the space provided. 1. If a card is drawn randomly…

A:

Q: 3. The editor of a textbook publishing company is trying to decide whether or not to publish a…

A: Let A1, A2, ... , An be n mutually exclusive and exhaustive events with P(Ai) &gt; 0 for all i = 1,…

Q: It has long been stated that the mean temperature of humans is 98.6°F. However, two researchers…

A:

Q: 4 Four cards marked 6, 7, 8 and 9 are in a hat. One card is drawn out and placed on a table. This is…

A:

Q: d.) Construct a stem-and-leaf display

A: First Arrange data in ascending order.  27, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 30, 30, 30,…

Q: Use the results from a survey of a simple random sample of 1023 adults. Among the 1023 respondents,…

A: a. It is given that, among the 1023 respondents 79% rated themselves as above average drivers.

Q: Find and shade the area to the left of cach negative z value. Curve Given 1. 2=-2.73 -3 -2 -1 1 2. z…

A:

Q: A coin is tossed three times, the result being either Heads or Tails. Let X represent the number of…

A: Three coins tossed P ( atleast one head ) is = ?

Q: You are given the probability tree diagram below. What is the probability that a person has cancer,…

A: here use baye's rule

Q: To study the effect of temperature on yield in a chemical process, five batches were produced at…

A: There are 3 independent samples which are 50C, 60C and 70C. We have to construct ANOVA table. This…

Q: 3. Given below are the marks obtained by 200 studentsS of a university in statistics pane 50-60…

A: Given that  Marks 40-50 50-60 60-70 70-80 80-90 No. of students  32 42 55 40 31

Q: The national Safety Council (NSC) estimates that off-the-job accidents cost U.S. businesses almost…

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

Q: For what model are the following expressions the cumulative probability distribution for response?…

A: Given that,  ξi= α+β1xi1+.......βkxik+εi Here α is the intercept. βi's are coefficients of Xi's.  εi…

Q: 2. If two fair dice are rolled, what is the probability of getting a sum greater than 11 or a sum…

A: If two fair dice are rolled, we need to find the probability of getting a sum greater than 11 or a…

Q: The Blacktop Speedway is a supplier of automotive parts. Included in stock are 12 speedometers that…

A: It's given that there are 14 speedometers out of which 12 are correctly calibrated and 2 are not…

Q: B. Find the length of the confidence interval given the following data: 6. s = 5.36, n = 350,…

A: As per our guidelines we are suppose to answer only one questionB)6)Givens=5.36n=350confidence level…

Q: Ble and assume a normal distribution. a. What is the distribution of X? X N( b. What is the…

A: here as per guidelines i have calculated 3 subparts   kindly repost with note i need only this this…

Q: 8. Due to an Internet configuration error, packets sent from New York to Los Angeles are routed…

A: Let A1, A2, ... , An be n mutually exclusive and exhaustive events with P(Ai) &gt; 0 for all i = 1,…

Q: 3. Explain in your own word and give an example of Negatively Skewed and Positively Skewed.

A: We know that , Skewness is a measure of the symmetry of a distribution. Either the distribution is…

Q: You are given the probability tree diagram below. What is the probability that a person has cancer,…

A: Let A1, A2, ... , An be n mutually exclusive and exhaustive events with P(Ai) &gt; 0 for all i = 1,…

Q: Assume that random variables X and Y are independent, X has a discrete distribution such that P{X =…

A:

Q: 3. PAGASA forecast that there will be a 10% chance of rain shower in the afternoon. What is the…

A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted.…

Q: Use the data in the table to the right to answer the following questions. Weights (g) of a Sample…

A: No.of red candies (X) = 10  Total no.of candies (n) = 40 The proportion of red candy is,