What is the probability that on a roll of two (normal, six-side) distinguishable dice the sum is at least 7? To help you visualize this, a grid showing the 36 possible results is given below. Enter the exact answer as a fraction, not a decimal approximation. You do not have to reduce to simplest terms. 1 2 3 4 6 1 2 3 4 5 6

Q: You are dealt one card from a 52-card deck. Find the probability that you are not dealt a club. LE…

A: given data,you are dealt one card from 52 card deck here total outcomes = n= 52 cards probability…

Q: In a study of the relationship between health risk and income, a large group of people living in…

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

Q: lease answer the wrong and letter D thank you!

A: Given data: Temp Ratio 171 0.86 173 1.41 174 1.38 175 1.09 175 1.05 176 1 177 0.94…

Q: y = Bot Box, where Bo is the y-intercept and ₁ represents the slope, which is, by definition, the…

A: It is given that the regression equation is: y = 1820 + 1.2x

Q: Question 6 The variable yearly income is examined in a regression setting where the predictor…

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

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Let X:  the number of daily requests X is approximately bell shaped. then X follows the empirical…

Q: 4.44 (a) Write down the expression for n to solve Prob. 4.43. (b) What is the size of the total…

A: Given Level of significance ɑ=0.05, standard deviations σ=30, margin of error=10

Q: A sample of consumers was surveyed about their purchasing habits, and the responses are summarized…

A: Answer: -  Given, A sample of consumers was surveyed about their purchasing habits, and the…

Q: 9. Compute the mean and variance for each of the following distribution, whichever way you find to…

A: Method: Using discrete probability distribution

Q: Determine z for the following of a. (Round your answers to two decimal places.) (a) a = 0.0059 (b)…

A:

Q: (5) A discrete random variable X has the probability mass function f(x) = c(x + 1)², x=-1,0, 1. You…

A:

Q: -Suppose a student is chosen (A) What is the probability (B) What is the probability (C) What is the…

A: It is given that a probability matrix for students at a university classified by residency and…

Q: Using the Binomial distribution,  If n=6, and p=0.6, find P(x=5)

A: Given that  n = 6 , p = 0.6 , q = 1 - p = 1 - 0.6 = 0.4 X ~ Binomial (n = 6 , p = 0.6) Note : nCr =…

Q: a) f(2)=P(X=2) = b) E(X)= c) Var(X) =

A: Given that  Probability mass function of X  X 0 1 2 3 8 f(X) =  P(X=x) 0.3 0.1 ? 0.2 0.3…

Q: (a) In a random sample of 186 children taken more than a decade ago, what is the probability that 50…

A: a) n=186 More than a decade ago, high levels of lead in the blood put 83% of children at risk. Let X…

Q: According to published reports, practice under fatigued conditions distorts mechanisms that govern…

A: Given data: Subject Prefatigue Postfatigue 1 158 91 2 92 59 3 65 215 4 98 226 5 33 223…

Q: You randomly select one card from a 52-card deck. Find the probability of selecting a red five or a…

A: draw cards from 52 card deck. red 5 or red 6 = ?

Q: You randomly select one card from a 52-card deck. Find the probability of selecting a red five or a…

A: Here we have given you randomly select one card from 52 cards. We have to find probability of…

Q: A bag contains eight balls: 3 red, 3 green, and 2 blue. You sample three balls without replacement.…

A: There are totally wight balls in a bag out of which 3 red, 3 green, and 2 blue.

Q: A new cure has been developed for a certain type of cement that results in a compressive strength of…

A: Given: Hypotheses are: H0: μ=5000HA: μ<5000 standard deviation =120 the critical region is…

Q: An engineering firm provides industrial services to various companies. Since costs are always…

A: Given that.   X~N( μ , ?)   μ=12     , ?=6   Z-score =( x - μ )/?

Q: On average a certain intersection results in 3 traffic accidents per month. What is the probability…

A: Given,The average no.of accidents per month is 3 .Let X be the no.of accidents per…

Q: (b) Find P(Y ≥ 8). (Round your answer to four decimal places.) Find P(X ≤ 5, Y ≤ 7). (Round your…

A: Given that  Joint pdf of X and Y is  f(x,y) = 0.1e-(0.5x+0.2y) , x > 0 , y > 0

Q: What is the probability of getting number greater than 7 when 2 cards are drawn? With replacement…

A:

Q: The time it takes to grade an test has a mean of 5.45 minutes and a standard deviation of 1.2…

A: Given that.   X~N( μ , ?)   μ=5.45    , ?=1.2   Z-score =( x - μ )/?

Q: #8 Male Color Blindness When conducting research on color blindness in males, a researcher forms…

A:

Q: Suppose Ari loses 31% of all chess games. (a) What is the probability that Ari loses two chess games…

A: Given,P(Air lose the game)=0.31P(Air win the game)=1-0.31=0.69

Q: 4) 25 people with different names (Eva, Ali, Bertil, Kim,....) will be divided into 5 unnumbered…

A:

Q: It is estimated that 60.5% of adults in Nevada have received at least one dose of the COVID-19…

A: From the provided information, 60.5% of adults in Nevada have received at least one dose of the…

Q: For the following random processes define if case that X[n] is WSS, define its mean and au a) X[n]…

A: Stationarity refers to the time invariance of some or all of the statistics of a random process such…

Q: Assume that the amounts of weight that male college students gain during their freshman year are…

A: GivenMean(μ)=1.2standard deviation(σ)=4.4

Q: Let x have an exponential distribution with = 0.4. Find the probability. (Round your answer to four…

A: Given that  X~Exp(λ) λ=1 and λ=0.4

Q: o raise money for the local Veterans Affairs hospital, your friend organizes a fundraiser, inviting…

A: given data  die : {1,2,3,4,5,6,7,8} spinner:{blue ,red ,green ,orange} total possible outcomes = 8*4…

Q: Q) Fix integers r,n with 1 ≤ r ≤ n. Let A be any subset of [n] ≜ {1,2,...,n} of cardinality r, and…

A: Here we have integers r,n with 1 ≤ r ≤ n. Let A be any subset of [n] ≜ {1,2,...,n} of cardinality r,…

Q: there are two baskets, in the first, 4 red , 8 white balls, in the second 7 red and 6 white balls,…

A: *  Probability = favorable outcomes/total outcomes Two baskets : In experiment x : 4 red + 8 white =…

Q: 2. In how many ways can a committee of 4 be selected from a group of 12 people?

A: It is given that the total number of people are 12.

Q: In a research report, Richard H. Weindruch of the UCLA Medical School claims that mice with an…

A: The test hypotheses are: Null hypothesis: H0: μ = 40 Alternative hypothesis: H1: μ < 40

Q: A fiber-spinning process currently produces a fiber whose strength is normally distributed. The…

A: Given information: 15% of the fibers produced by current method have strengths less than 70.85. 10%…

Q: K complete parts (a) through (d). Click here to view page 1 of the cumulative standardized normal…

A: Solution

Q: Chest size (inches) 49 42 D 385 Weight (pounds) Click the icon to view the critical values of the…

A: The regression equation is given by,  ŷ = a + bx                                      ... (1) Where,…

Q: Course: Statistics and Probability If a bank receives on average 6 bad checks per day. a) What is…

A:

Q: Exercise 4. (a) Two people play a dice game. Each throws a regular 6 sided die. The perso with the…

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

Q: part d, e and f

A: Given that  Total = 6549 , Smoke = 1213  Note : According to bartleby experts question answers…

Q: The chance of an IRS audit for a tax return with over $25,000 in income is about 2% per year.Suppose…

A: Given that  n = 100 , p = 2% = 0.02  p = Probability of people audited in one year X : Number of…

Q: 6.Ten percent of the tools produced in a certain manufacturing process turn out to be defective.…

A: Given information: 10% of the tools produced in a certain manufacturing process turn out to be…

Q: (1) An airline finds that each passenger who reserves a seat fails to turn up with probability For…

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

Q: (a) What is the probability that one car chosen at random will have less than 70.5 tons Un co answer…

A: It is given that  Mean, μ = 71 Standard deviation, σ = 0.7

Q: An article reported data from a study in which both a baseline gasoline mixture and a reformulated…

A: Given data: Engine Age Baseline Reformulated 1 0 1.73 1.87 2 0 4.36 5.93 3 2 4.06 5.52 4…

Q: Find the means of X and Y variables and the coefficient of correlation between them from the ff two…

A: Find the means of X and Y variables and the coefficient of correlation between them from the ff two…

Q: Find the probability of each of the following, showing your choose d) Getting more than five tails…

A: Farmula used nCr=n!/[r!(n-r)!] r!=r×(r-1)...×3×2×1