Probability Question
Q: A population of values has a normal distribution with u = 46 and o = 79.3. You intend to draw a rand...
A: Given, μ = 46σ = 79.3n = 90 To find, a. P (33.5 < X < 71.1) = ? b. P (33.5 < x¯ < ...
Q: 2. Alice and Bob are playing a game where in each round, each of them rolls a fair die independently...
A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts fo...
Q: The lifetime X (in hundreds of hours) of a certain type of vacuum tube has a Weibull distribution wi...
A: Given information: The lifetime X (in hundreds of hours) of a certain type of vacuum tube follows a ...
Q: The dot plots show a random selection of commute times in two cities. : ::. City A ..: City B 10 15 ...
A: City A follows a normal distribution and the distribution for City B is positively skewed.
Q: A card is drawn randomly from a standard 52-card deck. Find the probability of the given event. (a) ...
A: The number of cards in a deck of cards is 52.
Q: Number 16 only
A: Given that Histogram of data showing number of girls and boys selecting chocolate and vanilla. From...
Q: Bill and Suzie are playing a game with two dice. If the sum is less than 5 or a 9 Bill gets 5 points...
A: Given information: If the sum is less than 5 or a 9 Bill gets 5 points. Otherwise, Suzie gets 3 poin...
Q: Solve for X∼B(10,0.75) for x=5. 0.09 0.23 0.52 0.06
A: Here we need to find P(X=5) , where X~ binomial with n=10 and p=0.75
Q: Given that z is a standard normal random variable, compute the following probabilities. Round your a...
A: The random variable follows standard normal distribution. We have to use standard normal distributio...
Q: 40% of the managers in an international company have traveled abroad, 50% of them can speak foreign ...
A: Let event T:Manager travelled abroad event F:Manager can speak foreign language. PT=0.4 therefore PT...
Q: Differentiate the three measures of central tendency: ungrouped data.
A: The three measures of central tendency are : 1) Mean 2) Median 3) Mode MEAN →The arithmetic mean is ...
Q: Suppose that the mean score of a class of 34 students was 79. The 15 male students in the class had ...
A: Given that the mean score of a class of 34 students was 79. The 15 male students in the class had a ...
Q: A hand of 5 cards is dealt to each of three players from a standard deck of 52 cards.(a)What is the ...
A: (a) The probability that a player got 5 cards has all 4 aces, is given by, Pall 4 aces=No, of ways t...
Q: I need help finding the probability for this question.
A: From the given information, a group of 5 students is to be chosen from a 30 member class to represen...
Q: let f(x,y) = {6 0 < X < y< 1 0. W %3D 1- find f(x/y) and f(y/x) 2-p(0<x<0.5/y=0.5)
A: From the given information, f(x,y)=2, 0<X<Y<1 1. Consider the marginal density for X: f(x)=...
Q: heights of 20 year old boys is normally distributed with a mean of 1.5 m. and a standard deviation o...
A: Given that μ=1.5σ=0.07 The probability that he will be taller than 1.584 m is, PX>1.584=PX-μσ>...
Q: Please answer and explain #7
A: Standard deviation measures the variability present in a data set. It measures the spread ness of th...
Q: Number 6 only
A: 6. Given Data: Given Set: 20, 30, 40, 50, 60, 70 The numbers of the set are arranged in numerical or...
Q: Show clearly all working with detailed explanations
A: Given, P (spade) = 1/4 P (Ace) = 1/13 To find, P (Spade or an ace) = ?
Q: Probability Question
A:
Q: What is the variable in this expression 4m+17
A: A variable is a characteristic that may have numerous values, does not have a consistent value. It k...
Q: Probability Question
A: d) The probability that men are taller than 71 inches is given by P( X>71) = P(X-μσ>71-μσ)=P(...
Q: Probability Question
A:
Q: (X+Y Let f(X,Y) = 0 0.5) , p(y<1)
A: The probability function of X and Y is FX, Y=X+Y2, 0<X<1, 0<Y<20, ...
Q: Number 10 only
A: The probability that 2 will occur when the spinner is spin is calculated as: Probability (2) = Numbe...
Q: Let X be a random variable with probability density functionf(x) = (19x2, x ∈ [0, 3],0, else.Which o...
A: Question 34. Answer: The statements a, b, d are correct statements.
Q: 4 a) A Mathematics paper consists of 12 questions of which not more than ten are to be answered. Giv...
A: We are allowed to answer one question only, Please post 4b as separate question Maths paper cons...
Q: Which of the following statements regarding probabil ity is always correct?
A: Probability explains how likely an event, under consideration, is to occur. The value of probability...
Q: A county is planning to expand its train service. To better understand the current service, the coun...
A: a. From the Venn diagram we can see there 3 stations which are only Red Line Stations [ Graz, Santos...
Q: Six cards are selected from a fair deck. What is the probability that they contain all the same colo...
A:
Q: A game has a probability of winning of 0.6. Alexa plays until she loses. What is the chance she'll p...
A: We have to use Geometric distribution. Geometric Distribution : Geometric random variable X defines ...
Q: Please answer all three questions!
A: 7. For the gold medal, there are 5 choices. For silver, there are 4 choices. For bronze, there are 3...
Q: A 5-digit PIN number is selected. What it the probability that there are no repeated digits? The pro...
A: From the provided information, A 5-digit PIN number is selected. Number of pins of 5 digit = 105 = 1...
Q: Imagine that the probability that a random person will receive a phone call during this exam is appr...
A: It is given that, The probability that a random person will receive a phone call during the exam is ...
Q: More than a decade ago, high levels of lead in the blood put 81% of children at risk. A concerted ef...
A: Given: For More than a decade ago, p= 0.81 For Now, p= 0.12
Q: Questions (a) How many even three -digit numbers can be formed from the digits 3,2,5,6 and 9 if each...
A: a) A number is even number if its unit's place is occupied by an even number. So, the unit's place ...
Q: Show clearly all working with detailed explanations
A: We have given that 6 male and 4 female parliamentarians. And we need to select 6 members for committ...
Q: How many 4-letter words can be made from the letters MATH if repetition of letters is allowed? repet...
A: Given: Letters M , A , T ,H We need to find number of 4 letter words that can be made.
Q: A batch of 1 kW fire elements contains 16 which are within a power tolerance and 4 which are not. If...
A: Given information: A batch of 1 kW fire elements contains 16 which are within a power tolerance and...
Q: IF x and y and Z have Gamma distribution with the following p.d.f EX4 1- f(x)= X >0 25 Ts 0. O.w e-3...
A: A random variable X is said to have gamma distribution with shape parameter α=k and scale parameter ...
Q: If a coin is tossed ten times then what will be the probability for getting 5 heads and 5 tails in 1...
A: Given that,A coin is tossed ten times.
Q: A bag contains 9 marbles: 2 are green 5 are red and 2 are blue. Bob chooses a marble at random and w...
A:
Q: From experience, a car manufacturer knows that out of all the cars they produce, 0.3% fail the post-...
A: It is given that n =100 and p =0.003.
Q: Number 16 only
A: We have to find answer From graph
Q: When packaging a product, a manufacturer finds that one packet in 20 is underweight. Using Poisson’s...
A: let manufacturer finds that one packet in 20 is underweight =120 here λ is the mean number of underw...
Q: Probability Question
A: The joint density function is fx, y=23x+2y, 0≤x≤1, 0≤y≤10, elsewhere
Q: Take a case of tossing of 20 coins. Draw a probability distribution of all the exhaustive events p...
A: If signal coin is tossed then sample space is, S1={H,T} n(S1)=2 If 2 coin is tossed then sample sp...
Q: A drawer contains 2 black socks, 3 white sock, and 1 grey socks, all of the same style. Two socks ar...
A: Given: A drawer contains 2 black socks, 3 white socks, and 1 grey socks, all of the same style. Two ...
Q: 2. Show that the combination of choosing r items from a set of n items has the same possible arrange...
A: Combination can be defined as the number of ways of merging things disregarding of their orders. It...
Q: EXPECTED VALUES OF CONTINUOUS PROBABILITY DISTRIBUTION Kindly view the picture to see the problem....
A: Given : f(x)=x23+7x-2+4 2≤x≤4 If ∫f(x) =1 then we can say that it is proba...
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