Consider the distribution below. Compute for the mean and variance. 10 20 30 40 50 P(x) 5% 5% 25% 20% 30% 15%
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Q: 19. If P(A) = 0.60, P(B) = 0.42, and P(A or B) = 0.88, then P(A and B) %3D %3D %3D %3D
A: Given P(A)=0.60P(B)=0.42P(A or B)=0.88
Q: die is rolled three times. What is the chance that at least one roll shows 1 spot?
A: Given, experiment:-if die rolled three times. then number of elements in sample space(S)=63=216
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A: For the given data Find Correlation = ?
Q: There are 12 roads connecting 2 cities. In how many ways can Caloy drive from 1 city to another and ...
A: here use concept of total arrangement and combination
Q: If 2% of electric bulbs manufactured by a certain company are defective. Find the probability that i...
A: Solution-: We find, (i) P(less than 2 bulbs are defective)=? (ii) P(more than 3 bulbs are defective)...
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Q: Every week a company provides fruit for its office employees. They can choose from among five kinds ...
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Q: 3 and the the probability that player B scores a goal is 8 In a soccer game, the probability that pl...
A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a ti...
Q: Let X be the number of tails that turned up when two fair coins are tossed. What are the possible ou...
A: Solution-: Let, X -be the number tails that turn up When two fair coins are tossed what is possible ...
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A: Let, A be the first salesman is known to sell the product in 3 out of 5 attempts. B be the second sa...
Q: theoretical correction for a Pearson’s correlation that boosts the size of the correlation when vari...
A: The relation between the Spearman and Pearson correlations will give some information. Briefly, Spea...
Q: TOPIC: Permutation / Combination In a 4-digit combination lock, how many possible codes are there i...
A: The all-possible digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.
Q: how many ways can a coach select a guards? starting five of one center, two forwards and two
A: here given , basket ball team consist of 2 centers 4 forward and four guard
Q: PlY) X: PCx) メ-N (x-My (x-ル)*. P(x) 1/7 16 g*- 2kの.Pe) す。
A: 1) The given data is , x p(x) 1 0.14285 6 0.14285 11 0.14285 14 0.14285 21 0.14285 ...
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Q: answer #11 #16 #19 only
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Q: 23. How many even three digit numbers greater than 400 can be formed from 1, 2, 3, 4, 5, 6, 7, 8, an...
A: There are total 52 cards in a deck. There are 13 hearts and 4 queens in the deck. The probability ...
Q: A. P(5.4 < x < 12.3)- B. P(x = 7.2) = 1
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Q: miles Suppose that the speeds of cars travelling on California freeways are normally distributed wit...
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Q: Consider the situation below and determine whether the events are INDEPENDENT or DEPENDENT EVENTS th...
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Q: A fair coin is tossed three times. What is the probability of getting a) exactly two heads (b) at le...
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Q: Which of the following is the domain of a random variable? Choose the correct answer: a. set of whol...
A: Sample space Sample space is the set of all outcomes of a random experiment.
Q: Two different teams named A and B are asked to separately design a new product within a month. From ...
A: just look at the Venn- Diagram............
Q: What is the variance of the profit?
A: Here given, A contractor is considering a sale that promises a profit of ₱92 000 with a probability ...
Q: answer the question correctly it's very important and the question is complete .there is no More inf...
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Q: In how many ways can we seat 7 people at a round table with a certain 3 people side by side?
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Q: Scores on an endurance test for cardiac patients are normally distributed with mean of 185 and stand...
A: Given that, Scores on an endurance test for cardiac patients are normally distributed with mean of 1...
Q: Compute the mean of the following : 1. The following shows the grades in Mathematics of the 15 rando...
A: As per our guidelines we are suppose to answer only one question. Given data is ,85, 89, 85, 81, 86...
Q: What is the probability that 1 appears 2 times given that 1 appeared at least one time?
A: here , A die is rolled 3 times possible value that can be rolled using single die are 1,2,34,5,6 her...
Q: The data shown below for the dependent variable, y, and the independent variable, x, have been colle...
A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...
Q: Suppose that 10% of the people in the world have at least 1% Neanderthal DNA. a. What is the probabi...
A: In the given problem, 10% of the people in the world have at least 1% Neanderthal DNA.
Q: this quiz to bring her overall quiz mark so far up to a passing grade. What is the probability that ...
A: here given, quiz contains 8 multiple choice question n=8 each question have 4 choices p= probabilit...
Q: A batsman for a particular cricket team has a 0.7 chance of having a good game and a 0.3 chance of h...
A: Given that p ( good ) =0.7 , p (bad ) =0.3 p(hit/good ) =0.8,p(hit/bad ) = 0.2 p(strong game/hit six...
Q: be repeated? 24. Suppose you find seven articles related to your research paper. In how many ways ca...
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Q: For numbers 10-12, Suppose you tossed two fair coins. 9. What are the sample spaces for the experime...
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Q: True or False? Var(Y|X = x0) = Var(Y).
A: We need to answer if: Var(Y|X=x0) = Var(Y) is true or False.
Q: A group of people were asked if they had run a red light in the last year. 496 responded "yes", and ...
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Q: Employees in 2012 paid 4.2% of their gross wages towards social security (FICA tax), while employers...
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Q: What is the probability that the accident occurred on either the evening or the graveyard shift?
A: It is given that P(evening) = (6 + 25)% = 31% = 0.31 P(graveyard) = (2 + 30)% = 32% = 0.32
Q: At a class, 80% are female and 40% of the students like swim. Of the students that like swim, 60% ar...
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Q: If x be a normal variate with mean 3 and variance 16, find the value of t such that P(3 <Xs t) = 0.4...
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Q: A garage has 2 mechanics and 5 service bays to house vehicles. Customers arrive on average every 3 h...
A: GivenThe number of mechanics in garage =2The number of service bays =5The average service time =2 ho...
Q: A developer of a new subdivision wants to build homes that are all different. There are five differe...
A: Given, no.of interior plans=5no.of exteriors plans=7
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